Answer:
c. 12 inches
Step-by-step explanation:
Let's remember that a regular pentagon is a polygon with 5 equal sides.
We calculate the perimeter of a polygon by adding the length of the sides. In the case of a regular polygon, we just take the length of one side and multiply it by the amount of sides of the polygon.
As we have a regular pentagon, if we called S to the length of the sides, Perimeter = 5*S.
We know that the perimeter is 60 inches, so 5*S = 60.
We just need to find out the S by dividing by 5 on both sides of the equation:
5*S/5 = 60/5
S = 12
