Question

if one angle of the triangle is equal to the sum of the other 2 then prove that the triangle is right angled.
please answer​

Answer 1

Answer:

The sum of the angles is 180 degrees.

c=a + b

a + b + c = 180  

Substitute c for a +b

c + c = 180

2c = 180  

c = 90

therefore the triangle is a right triangle

Step-by-step explanation:

Answer 2

Answer:

Hope it helps!!!!!!.....