Answered

What is the sum of all angles of a triangle?

Sagot :

The sum of all angles is 180
JthanSCOUTviz
You could use the formula, (n-2)180°, where n is the number of sides of a polygon.
Since a triangle has 3 sides, then n=3
(3-2)180°
= (1)180°
= 180°