Question

what is the perimeter of the shape? all of its sides are the same length.

Explanation:

Step1: Identify number of sides

An octagon has 8 sides.

Step2: Recall perimeter formula

Perimeter of a regular polygon = number of sides× side - length.

Step3: Calculate perimeter

Since side - length is 7 yd, perimeter = 8×7 = 56 yd.

Answer:

56