Question

A convex polygon has 4 sides what is the sum of the measures of its interior angles

Answer 1

If a convex polygon has n sides, then its interior angle sum is given by the following equation: S = ( n −2) × 180°.

Explanation:

Where S is the angle-sum, and n is the number of sides. (2n-4) x 90 where n is the number of sides.