### Home > CCG > Chapter 8 > Lesson 8.1.5 > Problem8-61

8-61.

What is another (more descriptive) name for each polygon described below?

Review the Math Notes boxes in Lessons 7.1.4 and 8.1.5 for help with regular polygons and interior and exterior angles.

1. A regular polygon with an exterior angle measuring $120°$.

equilateral triangle

2. A quadrilateral with four equal angles.

rectangle because all angles would be $90°$.

3. A polygon with an interior angle sum of $1260°$.

4. A quadrilateral with diagonals that are perpendicular bisectors of each other.