Question

an octagon has exactly eight angles. which of these figures has exactly eight angles? rectangle polygon regular hexagon regular octagon

Explanation:

Step1: Recall polygon - angle facts

A rectangle has 4 angles. A regular hexagon has 6 angles. A polygon is a general term and can have various numbers of angles. A regular octagon has 8 angles as per the definition of an octagon.

Answer:

regular octagon