Question

What is the angle sum property of triangle

Answer 1

Answer:

The angle sum property of triangle is 360°

hope it's helpful to you

Answer 2

Answer:

SUM OF THREE ANGLES OF A TRIANGLE IS ANGLE SUM PROPERTY OF A TRIANGLE

Step-by-step explanation:

Given :

A triangle ABC.

To prove :

∠A+∠B+∠C=180  

o

⟹∠1+∠2+∠3=180  

o

 

Construction :

Through A, draw a line l parallel to BC.

Proof :

Since BC. Therefore,

∠2=∠4 eq(i)

And, ∠3=∠5 eq(ii)

adding  eq (i)and(ii)

Therefore, ∠2+∠3=∠4+∠5

∠1+∠2+∠3=∠1+∠4+∠5  [adding∠1bothSide]

∠1+∠2+∠3=180  

o

 

Thus, the sum of three angles of a triangle is 180

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