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How to draw a regular pentagon knowing the length of one side

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  • Опубликовано: 11 ноя 2015
  • Regular pentagon given the measurement of one of it´s side, using a compass and a 45º set-square.
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    This RUclips channel is dedicated to teaching people how to improve their technical drawing skills. It focusses on drawing figures from the geometric plane to descriptive geometry and also different systems of technical drawing representation.
    If you subscribe, click, like or leave a comment you will be helping us to grow our channel and help more people with their technical drawing skills.
    Thank you in advance.
    Dubbed by Frank Shaw.
    Music by Antonio Fernández Ruiz. antoniofernandez.es/
    #Geometry #HowtoDraw

Комментарии • 228

  • @enma_nexa
    @enma_nexa 7 лет назад +523

    I got scared looking the intro , i though it was the actual construction😂

  • @deckiedeckie
    @deckiedeckie 6 лет назад +17

    Great.....to see how RUclips can be utilized to do useful stuff....

  • @indranilkundu9101
    @indranilkundu9101 2 года назад +3

    I have to draw all the polygons from 3 sides to 8 sides for my project. Your videos really helped me. I couldn't have asked for a better tutorial. Thank You sir.

  • @FUNKINETIK
    @FUNKINETIK 3 года назад +18

    So interesting, I can see how this works now. From the line AB you have determined the point Q. The line AQ is the golden ratio (Phi) of AB. The opposing corners of a pentagon e.g. line AD is the result of multiplying the side length of the pentagon by Phi (1.618....)

  • @shirafields244
    @shirafields244 4 года назад +19

    I needed to make a pentagon with 5” sides for my 3D art class and this was extremely helpful; turned out perfect. Thanks!

  • @bibibacchus4059
    @bibibacchus4059 3 года назад +5

    Oh wow, it turned out great. Thank you so much !!

  • @xx_cuddlyclouds_xx5733
    @xx_cuddlyclouds_xx5733 3 года назад +2

    Thank you Aurther Geomitry!!!You helped me with my module in my math!it was so hard until I saw this!!😄😄😄

  • @mildmanneredmercifulmouse1839
    @mildmanneredmercifulmouse1839 3 года назад +4

    This is BETTER than watching a Hollywood blockbuster movie.!!

  • @KeeperofTheMountain
    @KeeperofTheMountain 8 месяцев назад +1

    I am building a 5 sided cupola to go on a pentagon shaped gazebo. It is an inverted radius conical cupola. I needed this one formula to lay it out. Thank you.

  • @dorcaslagracetiche4639
    @dorcaslagracetiche4639 4 года назад +3

    Wowwwwww. It actually works. It's like magic.😮. May God bless you😇 and Thank you sir.😋

  • @user-wl7ot8lr5p
    @user-wl7ot8lr5p 9 месяцев назад +2

    Thank you sir apne mere submission me help ki 🤗

  • @deathwalker8730
    @deathwalker8730 7 лет назад +27

    Thank u so much have a test tomorrow and this helped me loads fam thanks

  • @tugalgito
    @tugalgito 2 года назад +1

    OMG! this type of videos are amazing for do arts homeworks.

  • @andymarkle465
    @andymarkle465 6 лет назад +5

    enjoy this pentagon is very beautiful, thanks very much.
    cute pentagon!

  • @stephonramsaran7704
    @stephonramsaran7704 2 года назад +2

    awesome video helped me so much god bless ya bro

  • @billyspencer7325
    @billyspencer7325 4 года назад +11

    This was a tough one kept getting confused over the changing radius and where to put the compass point, had to rewatch a fair few times

  • @uevankhell
    @uevankhell 2 года назад +5

    Ah seriously, thank you so much. I've already watched two of your videos and it's been going great! Taking Tech Draft class was probably a bad one on my side but I can't help but try to widen my knowledge at some point.

  • @Narja23
    @Narja23 3 года назад +5

    thanks you, it's so helpful

  • @Jacobballeez
    @Jacobballeez 3 года назад +3

    Im doing technical drawings and I missed this class so thank you

  • @garyriegelsberger4208
    @garyriegelsberger4208 6 лет назад +1

    Awesome! Thank you for taking the time to create this video and post it. This is the perfect information I was looking for that will allow me to construct my device.

  • @6rw1b
    @6rw1b 7 лет назад +2

    Finally found one that works, much appreciated thank you so much!

  • @bhupeshshah272
    @bhupeshshah272 8 лет назад +3

    This help me a lot in my submissions

  • @elim.8315
    @elim.8315 2 года назад +1

    THANK YOU SO MUCH u explained it so well

  • @Kitsomia
    @Kitsomia 6 лет назад +7

    That's Awesome, I always wanted to draw a pentagon without using a protractor.

  • @Satoru_Gojo36817
    @Satoru_Gojo36817 4 года назад +2

    Thanks for your tutorial.

  • @TheOriginalKidCoyote
    @TheOriginalKidCoyote 6 лет назад +1

    thanks! worked for me

  • @KarimiChelsea
    @KarimiChelsea 4 года назад +2

    Was stuck on an assignment and this helped me out. Gracious 😇

  • @starkiller1228
    @starkiller1228 6 лет назад +8

    Thanks man, your better than my teacher

  • @indt1648
    @indt1648 7 лет назад +2

    very useful, good job

  • @poorvanair3666
    @poorvanair3666 3 года назад +1

    Ommmggg ur a live saver !!

  • @olliegibbons843
    @olliegibbons843 4 года назад +2

    A god amongst men,thank you

  • @hrishikeshtambe4332
    @hrishikeshtambe4332 5 лет назад +4

    Thankz alot....u really explain very well and it's very easy to understand

  • @SumanSingh-ih6nm
    @SumanSingh-ih6nm 6 лет назад +3

    Thank you so much

  • @leonardmcoy3001
    @leonardmcoy3001 7 лет назад +1

    Helped a lot thanks

  • @marc_0
    @marc_0 3 года назад +4

    I've been saved
    Thank youuuuu

  • @siddharthrevankar3474
    @siddharthrevankar3474 6 лет назад +2

    thank you very much for your easy tutorial!

  • @spole1699
    @spole1699 8 лет назад +3

    Very helpful

  • @rosaliavadeliveiwase613
    @rosaliavadeliveiwase613 2 года назад +1

    Thank you so much sir....26/10/2021....Really help me with my school work

  • @Konijvis
    @Konijvis 7 лет назад +3

    thank you, keep up the good work in teaching and helping students.

  • @tdrawsa
    @tdrawsa 5 лет назад +2

    Great work!
    Thank you.

  • @milos-nq1lm
    @milos-nq1lm 8 лет назад +6

    Thank you

  • @asamikimura5584
    @asamikimura5584 6 лет назад +4

    Thank youuu❤❤

  • @idlanbruhanuddin9447
    @idlanbruhanuddin9447 5 лет назад +1

    thnx......i actually know a method tht can draw a pentagon too easier though...but i cannot remember.....it all starts w/ cross and circle.....but urs are a bit complex but still easy to understand....

  • @spring74light
    @spring74light 6 лет назад +5

    A very interesting construction. Thank you for it. Have you a geometrical proof that ED and DC are equal in length to AB?

    • @anneludlow
      @anneludlow 6 лет назад +1

      They were constructed with that length on the compass!

    • @spring74light
      @spring74light 6 лет назад +1

      Thank you for your Reply. With respect, if you look on from about 3:30 you will see that points C and E are each located of by the intersection of 2 arcs, one of which has radius (AB), and the other an arc of greater but unspecified radius passing through point D. DC and DE are not directly referred to distance AB.

    • @spring74light
      @spring74light 6 лет назад +1

      @glyn hodges Sorry, I have been 'off-air' for a while and have just discovered your detailed and comprehensive Reply. Thank you. I look forward to following through your reasoning, and will respond in due course.

    • @bansalsanitary8885
      @bansalsanitary8885 3 года назад

      ruclips.net/video/h5nU6v2p5Qw/видео.html
      Please watch like comment

  • @dimplematutino
    @dimplematutino 3 года назад +1

    Thank you so much!😊✍

  • @thekoreanspace272
    @thekoreanspace272 6 лет назад +1

    understandable video, nice

  • @robertoyllia8373
    @robertoyllia8373 3 года назад +2

    you are the best one

  • @goldenadhd3149
    @goldenadhd3149 5 лет назад +3

    4 years later and you're helping me pass my last year of school

  • @sunilchristian3430
    @sunilchristian3430 3 года назад +1

    Thank you!

  • @official_Azmath
    @official_Azmath Год назад +1

    🙏💕 thank you you help all students👦📖🎒👦📖🎒👦📖🎒

  • @Pantydropper8374
    @Pantydropper8374 5 лет назад

    waoooo... thank uuuu sooooo much buddy... great help.... great help....

  • @chrystopherluke1261
    @chrystopherluke1261 7 лет назад +8

    I have a hmwrk assessment to do and this helped a lot

    • @rhy4551
      @rhy4551 7 лет назад +1

      Phyc Ward SAME.

  • @nkosinathidhlamini2791
    @nkosinathidhlamini2791 4 года назад

    Very helpful thank you

  • @iukaz8682
    @iukaz8682 2 года назад +1

    LEGEND!!!

  • @ratulhasan7136
    @ratulhasan7136 5 лет назад +2

    Sir, Thank you so much. Because I was badly in need of a Pentagon. This video is easier than others.

  • @justjona3260
    @justjona3260 3 года назад

    Sick bro

  • @tronrevel7751
    @tronrevel7751 6 лет назад +1

    really helpful

  • @harshavarthinisr6240
    @harshavarthinisr6240 3 года назад +1

    Thank you so much ✨

  • @sfisosmall6226
    @sfisosmall6226 3 года назад +2

    Thank you this will help me on my drawing s

  • @M_R_H_Rokib
    @M_R_H_Rokib 2 года назад +2

    Please give us a video on "Drawing Pentagon Using Perpendicular bisector method"

  • @tronrevel7751
    @tronrevel7751 6 лет назад +2

    Pentagon process is lit

  • @siyasundriyal9543
    @siyasundriyal9543 5 лет назад +2

    Sir...this video is good

  • @rrkanb
    @rrkanb 3 года назад +1

    Love from Nepal

  • @swapnilrai1168
    @swapnilrai1168 4 года назад +1

    Thanks it was awesome

  • @ebrimasamba8277
    @ebrimasamba8277 4 года назад +2

    Nice man

  • @tinomutendabrian6777
    @tinomutendabrian6777 4 года назад +1

    Clear information

  • @gurmanjotsinghgrewal4741
    @gurmanjotsinghgrewal4741 5 лет назад +1

    Thanks for video

  • @pururaj2920
    @pururaj2920 4 года назад +1

    Very good and easy steps

  • @jacklinemmaduagwu8037
    @jacklinemmaduagwu8037 4 года назад +4

    Omg so simple and easy. I got it on the first try. Thanks.🤗🤗

  • @mohitpanchal2023
    @mohitpanchal2023 6 лет назад +1

    Thank you very much sir

  • @Jacobballeez
    @Jacobballeez 3 года назад +1

    Rlly appreciate it

  • @sanjeet_art_205
    @sanjeet_art_205 2 года назад +1

    Thank you so much sir... 👍🏻

  • @CHANVER_07
    @CHANVER_07 Год назад +1

    Thanks!

  • @nerminsejdinovic8696
    @nerminsejdinovic8696 3 года назад +2

    Thanks a lot, Sir! Really helpful and easy to learn.

  • @hibeelhachasan1232
    @hibeelhachasan1232 6 месяцев назад +1

    Thank you very much ❤

  • @theopokashimba2897
    @theopokashimba2897 3 года назад +1

    Wonderful... this is so helpful, i have been struggle to draw a pentagon now i got it exactly. Thanks more your video helped me out.....

  • @christellebosch6008
    @christellebosch6008 3 года назад +1

    Thank you it helped ma a lot

  • @marikanaseidu3884
    @marikanaseidu3884 3 года назад +2

    thanks for this video

  • @daygelguzman944
    @daygelguzman944 3 года назад +1

    Super it helped me a lot

  • @mesapetr9985
    @mesapetr9985 4 года назад +1

    Thank you sooo much

  • @carax4673
    @carax4673 6 лет назад +1

    Thank u so much

  • @Jacobballeez
    @Jacobballeez 3 года назад +1

    Sir thank you very much

  • @haydentaylor5250
    @haydentaylor5250 5 лет назад

    this is gonna take a bit to make a dodecahedron for my purposes, but thanks alot!

  • @generalmalhar6777
    @generalmalhar6777 7 лет назад +1

    Very helpfull

  • @sophiesallows5456
    @sophiesallows5456 4 года назад +1

    This was very helpful. thank you :)

  • @philipalawonde8291
    @philipalawonde8291 2 года назад

    Am I mistaken, or is this an approximate construction based on the very crude approximation of √5 by √8?

  • @raven1742
    @raven1742 6 лет назад +3

    Thank you so much man i love you
    Fun fact: i am from italy and i understood YOUR explanation and not my teacher one LOL

  • @sumanmajumdar2367
    @sumanmajumdar2367 8 лет назад +2

    Thankyou

  • @shreyashpatil4319
    @shreyashpatil4319 5 лет назад +1

    Nice sir 👌

  • @jsoren9130
    @jsoren9130 5 лет назад

    Is it regular, though? I like it, but you have to check the angles to make sure it's not slightly squashed vertically or horizontally. Many people, showing various methods, are failing to check the angle measurements to make sure they are all 108°. One method gave me two 106°(at the bottom), two 109°, and 110° at the top. Even with the sides all equal, it still can have symmetrical variability in it's angle measurements.

    • @jsoren9130
      @jsoren9130 5 лет назад

      I saw the other version where you inscribed it in a circle. That would guarantee the angles to all be equal at 108°. So, you'd have to find the center of this Pentagon and draw a circle around it to see if all the corners fall on the line.

  • @sarthakpuri44
    @sarthakpuri44 5 лет назад +1

    Thanks sir...

  • @bryanthebomber7127
    @bryanthebomber7127 2 года назад

    I'm experiencing a problem. My teacher gave me a length of 20cm and my compass can't go that far, what should I do?

  • @riyankpatel9410
    @riyankpatel9410 5 лет назад +1

    Thanks sir

  • @user-jn6db5gw2t
    @user-jn6db5gw2t 5 лет назад +1

    tqsm

  • @Kholanee
    @Kholanee 3 года назад +1

    Oh you GODSEND

  • @arushiarya2190
    @arushiarya2190 3 года назад +1

    Thanks a lot for this my Pentagon turned out perfect!

  • @splendor10
    @splendor10 3 года назад +2

    Intro🔥🔥🔥🔥🔥

  • @sarthakchavhan
    @sarthakchavhan 2 года назад +1

    thanks you

  • @hegazi.
    @hegazi. 7 лет назад +1

    good awesome

  • @vedantsingh5089
    @vedantsingh5089 5 лет назад +1

    Thanks