Question

What is the name of a regular polygon if each of its exterior angle is 45°
(1 marks)​

Answer 1

Answer:

octagon

Since your problem specifies a regular polygon (one with equal length sides and angles), we can determine the number of angles (and therefore the number of sides) by dividing 360 degrees by 45 degrees. So your regular polygon is eight-sided, i.e., an octagon.