Question

prove that sum of angles of a triangle is 180 degree

Answer 1

1. Answer:
2. $\huge\boxed{\fcolorbox{black}{red}{Answer}}$

the interior angles are all the angles within the bounds of the triangle. ... If you think about it, you'll see that when you add any of the interior angles of a triangle to its neighboring exterior angle, you always get 1800—a straight lin

Answer 2

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