What is the sum of the interior angles of a polygon with 3 sides?
Note
Use the polygon angle-sum rule: subtract 2 from the number of sides, then multiply by 180°. For 3 sides, the sum is 180°.
What is the sum of the interior angles of a polygon with 3 sides?
Use the polygon angle-sum rule: subtract 2 from the number of sides, then multiply by 180°. For 3 sides, the sum is 180°.