samihahmed samihahmed

29-12-2020
Mathematics

contestada

What is the size of the exterior and interior angle of a regular polygon if it has 3 sides

Respuesta :

jimrgrant1 jimrgrant1

29-12-2020

Answer:

120° and 60°

Step-by-step explanation:

The sum of the exterior angle of a polygon is 360°, then

exterior angle = 360° ÷ 3 = 120°

The exterior and interior angle sum to 180°, then

interior angle = 180° - 120° = 60°

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