A polygon with seven sides is called a heptagon.
Examples of Heptagon.
The figure below shows a heptagon. All its sides do not measure the same.
The figure above shows a regular heptagon. All its sides measure the same.
A. Figure 1
B. Figure 2
C. Figure 3
D. Figure 4
Correct Answer: C
Step 1: A polygon with seven sides is called a heptagon
Step 2: A polygon with all its sides measuring the same is called a regular polygon
Step 3: Among the choices, Choice C has all its seven sides of the same measure
So, it is a regular heptagon.