Question

how to prove that the sum of all angles of a triangle is 180

Answer 1

Answer:

Hope it is helping

And please follow me

Answer 2

Answer:

Let the angle of a triangle be x

then it's three angle be 3x

given that

sum of 3 angle of triangle is 180

then 3x=180°

so x=180/3

x=60

so we can say that three angle of triangle = 180