What is the sum of the measures of the exterior angles of an equilateral triangle?
Mathematics · High School · Thu Feb 04 2021
llm
Answered on
In an equilateral triangle, each interior angle is equal to 60°.
Thus, every exterior angle will be 180° - 60° = 120°.
Hence, the sum of the exterior angles of an equilateral triangle is
120° + 120° + 120° = 360°.