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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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Dubbed by Frank Shaw.
Music by Antonio Fernández Ruiz. antoniofernandez.es/
#Geometry #HowtoDraw
I got scared looking the intro , i though it was the actual construction😂
I'm glad it wasn't just me lol.
lol
Lol good one
Heptagon
Shaikh Shoeb HAHAHAHA i agree
Great.....to see how RUclips can be utilized to do useful stuff....
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.
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....)
Bruh🙄
I needed to make a pentagon with 5” sides for my 3D art class and this was extremely helpful; turned out perfect. Thanks!
Oh wow, it turned out great. Thank you so much !!
Thank you Aurther Geomitry!!!You helped me with my module in my math!it was so hard until I saw this!!😄😄😄
This is BETTER than watching a Hollywood blockbuster movie.!!
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.
Wowwwwww. It actually works. It's like magic.😮. May God bless you😇 and Thank you sir.😋
Thank you sir apne mere submission me help ki 🤗
Thank u so much have a test tomorrow and this helped me loads fam thanks
OMG! this type of videos are amazing for do arts homeworks.
enjoy this pentagon is very beautiful, thanks very much.
cute pentagon!
awesome video helped me so much god bless ya bro
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
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.
thanks you, it's so helpful
Im doing technical drawings and I missed this class so thank you
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.
Finally found one that works, much appreciated thank you so much!
This help me a lot in my submissions
THANK YOU SO MUCH u explained it so well
That's Awesome, I always wanted to draw a pentagon without using a protractor.
Thanks for your tutorial.
thanks! worked for me
Was stuck on an assignment and this helped me out. Gracious 😇
Thanks man, your better than my teacher
very useful, good job
Ommmggg ur a live saver !!
A god amongst men,thank you
Thankz alot....u really explain very well and it's very easy to understand
Thank you so much
Helped a lot thanks
I've been saved
Thank youuuuu
thank you very much for your easy tutorial!
Very helpful
Thank you so much sir....26/10/2021....Really help me with my school work
thank you, keep up the good work in teaching and helping students.
Great work!
Thank you.
Thank you
Thank youuu❤❤
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....
A very interesting construction. Thank you for it. Have you a geometrical proof that ED and DC are equal in length to AB?
They were constructed with that length on the compass!
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.
@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.
ruclips.net/video/h5nU6v2p5Qw/видео.html
Please watch like comment
Thank you so much!😊✍
understandable video, nice
you are the best one
4 years later and you're helping me pass my last year of school
Thank you!
🙏💕 thank you you help all students👦📖🎒👦📖🎒👦📖🎒
waoooo... thank uuuu sooooo much buddy... great help.... great help....
I have a hmwrk assessment to do and this helped a lot
Phyc Ward SAME.
Very helpful thank you
LEGEND!!!
Sir, Thank you so much. Because I was badly in need of a Pentagon. This video is easier than others.
Right
You say right
Sick bro
really helpful
Thank you so much ✨
Thank you this will help me on my drawing s
Please give us a video on "Drawing Pentagon Using Perpendicular bisector method"
Copy that. Thanks!
@@ArthurGeometry Welcome 🥰
Pentagon process is lit
Sir...this video is good
Love from Nepal
Thanks it was awesome
Nice man
Clear information
Thanks for video
Very good and easy steps
Omg so simple and easy. I got it on the first try. Thanks.🤗🤗
Thank you very much sir
Rlly appreciate it
Thank you so much sir... 👍🏻
Thanks!
Thanks a lot, Sir! Really helpful and easy to learn.
Thank you very much ❤
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.....
Thank you it helped ma a lot
thanks for this video
Super it helped me a lot
Thank you sooo much
Thank u so much
Sir thank you very much
this is gonna take a bit to make a dodecahedron for my purposes, but thanks alot!
Very helpfull
This was very helpful. thank you :)
Am I mistaken, or is this an approximate construction based on the very crude approximation of √5 by √8?
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
Thankyou
Nice sir 👌
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.
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.
Thanks sir...
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?
Thanks sir
tqsm
Oh you GODSEND
Thanks a lot for this my Pentagon turned out perfect!
Intro🔥🔥🔥🔥🔥
thanks you
good awesome
Thanks