Lines and Angles Class 9 | Class 9 Maths | RD Sharma | Geometry Trick

Lines and Angles Class 9 | Class 9 Maths | RD Sharma | Geometry Trick #fun #shorts #youtubeshorts
‪@Mathsiseasy‬
‪@chikupedia8689‬
‪@mathscrush7285‬
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Lines and Angles
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[@Mathsiseasy]

Watch Complete video ❤ here
ruclips.net/video/DlJpMmwsCYE/видео.html

[@nisargamenasi7808]

Let triangle ABC
A=X
B=90
C=180-125=55---because straight line is 180
A+B+C=180---angle sum property of triangle
X+90+55=180
X+145=180
X=180-145
X=35
1like for my trick

[@abhinavchaudhary551]

I also thought the same

[@Jay_ShreeRam..]

Let ABC be a ∆ in which Angle A = X
Ang. B = 90 ° .
But here ang. ABm = 125 °
We know that an ext. Angle of a ∆ Is equal to the sum of two opp. Interior angles
Therefore, Angle A + Ang. B = 125°
= X° + 90° =125°
And we got X° = 35

[@datts-fc-official]

"Yeh toh jabardast h" was epic 😂

[@Rishabh_18099]

Maam but you didn't tell that the angle is 90

[@Shourya0045]

180 - 125
We get one interior angle
And the a right angle 90
One interior angle we get that 55 so 180 - 55 + 90 = 35
Other way to solve this questions
Can i hit some liken 😅😅😅

[@surojitsarkar6747]

No

[@Music_lyrics_2021]

Arey! yahan Kahan aa gayi mein yahan to sare maths ke Topper hai 😅😅
Comments mai bhi Maths........ OMG! 😎🔥

[@lakhangaming.5655]

Let triangle ABC
A=x
B=90
C=180-125=55 (linear pair)
A+B+C=180(Angle sum property of triangle)
x+90+55=180
x=180-145
x=35

[@user-cx5kw1sd5l]

Mam aap ye kase bol rahe ho ki bo yek right angle kyoki usme bo given hi nhi hai 😮

[@hetpatel5048]

Alternate angles left the chat 💀

[@aayushkalyanff944]

Ye toh zabardast was epic 😂😂😂

[@AdarshRaj-oe2gt]

😂😂😂😂😂

[@santoshpimpale7434]

😅😅😅

[@sunitaskitchen813]

The epic line "Yeh toh zabardast hai"

[@sanskritirajrajputclasses2105]

It is so easy

[@Lost_gaming9571]

Thank you

[@avyayskandahasa7848]

Let triangle ABC,
ANGLE,B+125=180 (L.P)
B=180-125=55
ANGLE,B=55
ANGLE A=55 (ALTERNATE ANGLES)
SO,
X+55=90
X=90-55
X=35.
SO,
X=35

[@seemamaurya4134]

180-125=55 ab x+90+55=180. 180-145=x. 35

[@LN999GamingYT]

Kon zabardast he teacher ya sum 😂😂

[@Rajput_gamer_0007]

Teacher

[@AnupKumar-gk6dh]

​@@Rajput_gamer_0007😂

[@KHUSHISINGH-up1cx]

X=35°

[@hightechgamer4868]

Consider triangle ABC
A=x
B= 90° (By parallel lines) you said 😅
C= ?
So ,don't worry 😊
• Angle BCM - angle ACB = angle BAC
180 - 125
❤
You got it
55= Angle BAC
• angle ACB =angle BAL ( By alternate interior angle)
55 = angle BAL
Hence ,
Angle ABL =90° ( Parallel lines)
Angle ABC - ange BAC =90°
X+ 55 =90
X= 90-55
X= 35. You know The answer 💯

[@Elishrajput12]

125 - 90 = 35 Right Answer

[@sanatani660]

😮

[@PremBhardwaj996]

Mai abhi 10 th me hu lagate lagate 5 मिनट से uper hone ke bad socha ki chalo dekhata hu ki ye mahasay kaise karti hai bad me pata chala perpendicular to apne se Lena thaa😂😂

[@anisha_kushwaha_art77]

Sahi bole

[@dollypannadp9719]

It's perpendicular In RD

[@SigmaMale........872]

😂

[@user-el5sn7fi7f]

X=125° alternate interior angle

[@sappidiavanthi6433]

How can you say that the angle is 90 degrees?

[@Akhil6.]

Because right angle triangle 😊

[@boahancock552]

​@@Akhil6.Not given

[@prashantpal5753]

By eyes

[@sarthakyt5502]

​@@prashantpal5753aisa nhi hota na be jab tak question m nhi diya tab tak use nhi maanskte or wo 90 hota to udhar pe sign bhi diya hota angle pe😅

[@dashupgaming3165]

Because it is perpendicular on line m

[@mansayashraj3008]

Yeh toh Zabardast hai 😂

[@user-zp7nn7wd2d]

35

[@APPLEGAMING-zc7us]

Ye toh jabardaast h 😂😂

[@user-np4fm7tq4q]

There are multiple methods to solve.
We can use concept of transversal, use angle sum property, we can also use exterior angle property etc

[@laxmisahu6847]

🎉

[@DileepKumar-pz5fu]

No one thought about alternate interior angles😅

[@_Vivek_789]

Ans is 35
X=35

[@ratilalpatil6622]

55 + 90 =145 (180 - 145 =35) 😮😮😮

[@Durga_Prajapat]

X = 35

[@user-lo7wh8kf5y]

Nice😊😊😊😊❤❤❤

[@dindarmollick]

State line=180° 180°-90°=90° ; 125°-90°=35° ; Ans=35°

[@vanvarilal1772]

This boy look like a smart😂😂,😡😡

[@AnnaGaikwad-bt4dh]

Wrong sum according to cbse 12 th pattern angle 90 degree is opposite alternate angle because z shape is formed
∆35 +x+125-90
35
;
Cact
Each measure 90degree
Answer 90 ∆35°
Don't provide wrong information 😢😢😢😢😢😢😢😡😡🤬🤬🤬🤬🤬🤬🤬🤬

[@DillipRout7529]

X 45°

[@martinadebbarma-qv6zb]

Vvvvvvv. easy

[@tejashnagar7124]

35.

[@pratibhasharma3304]

Yaar ye bhi to batana padta h that vo transversal m ke perpendicular haii!!

[@user-cs1ox7hs3o]

Easiest of easiest way
Hence we know by linear pair angle 1 +angle 2 =180

[@Studypoint16]

It simpli x equal to 125 alternate

[@Esoul-bg5tg]

guys lemme show u a trick😊,
first,
we know that,
the interior opposite angle of "angle 125°" is "angle x+ the angle adjacent to the left side of angle x" right ?? 👍
by keeping this in mind,
we draw a perpendicular on angle 125° (this perpendicular will intersect both the parallel lines)
now by looking carefully on the obtained diagram, we notice that:
x + 90° = 125°
by further solving it,
x = 125° - 90°
x = 35°
👍

[@Rajonakhatun]

125=90+x
125-90=x
35=x
Therefor x=35

[@deepanshumanu39]

Let the triangle be x
a= x
b= 90
c= 180-125 = 55 (linear pair)
In ∆ABC
A+B+C= 180 (Angle sum property)
x+90+55=180
x+145=180
x= 180-145
x= 35
Hence, angle A is 35°

[@suhanisingh5438]

55° is the answer chikku

[@W1TH3R3DR10T]

We dont know that the angle is 90⁰. You cant just assume it 😅

[@user-fc2vz6rc4q]

I got the answer Very simple

[@user-bs8ou3tz4w]

Sir awesome explanation

[@user-dy7pv7kh1h]

I have done this. Questions

[@yadunandanprasadsinha]

90° - k + 125° = 180°
After Solving,
k = 35°

[@lavraghavboy]

I know

[@geetikapatidar6713]

180 ° - 125° = 55° ( angle 1 )( linear pair )
90° ( angle 2 )
Let angle 3 be x
Angle 1 + angle 2 + angle 3 =180 ( angle sum property of triangle )
55 + 90 + x = 180
x = 35°

[@Darksoul_gaming0723]

A=X, B=90°, C=?
C+125=180
C=180-125
C=55
A+B+C=180
X+90+55=180
X+145=125
X=180-145
X=35

[@gamingwithkundraji]

Use alternate interior angle easiest way

[@aryanraj7b617]

but here not tell that the angle is equal to 90 degree

[@Firegaming-k7e]

X = 35 very easy

[@terabytevr4000]

0:15

[@Hamza78657]

Math is Easy 😊 Right 👍🏻❤

[@10fact883]

Mam be like- suno beta last main bolna ye to jabardast hai 🤣

[@jaimittal658]

Amazing trick mam

[@madhurawat9688]

95🎉🎉

[@pradeeptanayak5278]

Sir lifescience ra chapter 6katru sabu chapter complete karidiantu please sir 😭😭😭😭

[@hero6074]

Angle sum property of triangle

[@AnantBharti-fo4mj]

Good question ❤

[@user-wz5oe8kz1m]

So easy broo😂😂
x= 35°

[@jagannathborude8094]

Ans.35 degree

[@ksks6994]

ans-35 degree

[@muazhashmi3488]

at last

[@aabhinavkeshri7962]

Use properties of parallel lines

[@mohdkaifaalima7721]

X= 125° alt. Int angles

[@jatingaming2597]

55+90 145 = 180-145=35

[@Jannat_guleria]

❤ nice 😂

[@Omtiwary-yo3yl]

Thank you mam aap hamari bhaut jyada madat kar rahe ho thank you mam ji

[@piyukumar6576]

Me in class 8th got the answer it is easy 😊 as 35

[@Paradox_bhai]

I solved this even though I didn't study this chapter.

[@ssaalok200]

in triangle abc let the angle A + B + C is equal to 180 degree angle is equal to X angle b is equal to 90 degree angle C is equal to 125 then the separate the B minus C to find the angle then 90 degree minus 135 is equal to 35

[@hashtag_komal_chaudhary]

Comment section is filled with mathmatical calculations 😂

[@KetinThakur-pt7pf]

Alternate interior angle

[@ramchandar9273]

wow what a simple and easy solution

[@harshraj6717]

Ye toh zabardast also in every video

[@jaicheats3365]

Yeh toh zabardast hai bolne ka tarika thoda 'czual' hai

[@buny2sao938]

Here's a short trick
We know that In triangle the exterior angle is always equal to the sum of its opposite two interior angles
(GIVEN) 125° ( Exterior angle)
One angle is 90°as the line falling on it is perpendicular so 90°+x= 125°
x = 125°-90°= 35° = x Simple:)

[@SankuLama]

180°- (125°+90°)
180°-215°
=35°ans🎉😮
My trick easy hai so try
Trangle 3angle ka man hai 180°

[@zonox_animeedits]

Its better to use transversel concept

[@yuvanrathoteff]

It can be solved also by using 180 interor angle its a common thing i dont thik so the trick is important

[@Sumitofficial_gamerz]

55

[@Nk_Gaming590]

X=55 because this angle was vertically opposite angle

[@hansrajyadav814]

45

[@Singh-gaming20]

2 method
X+90+55_180
X_145-180
X_35

[@vanajakshikempanna4523]

Super 😊

[@RAVIEDITOR-ki5nk]

x = 125 because alternate angle

[@bishnupriyamallik4354]

Class 7 students be like: ye to mereko b ata hai.2 mins mai ho gya😎😎

[@Anjali31831]

Same question was asked in my 9th half yearly exam

[@satyamdevi2537]

The starting sound😂😂"go"

[@madhumitadevi4036]

x=35°

[@Ab.H.]

125-90=35

[@user-cn7bq7ry4g]

Yeh toh hamere jasa haa

[@ParvatbarwarMeghvanshee]

Very easy 9th claa ka question