The perimeter of these figures are given as follows:
a. 60 inches.
b. 122 inches.
What is the perimeter of a square?
The perimeter of a square of side length s is given by four times s, that is:
P = 4s.
For item a, we have that the side length is of s = 15 inches, hence the perimeter is found as follows:
P = 4 x 15 = 60 inches.
What is the perimeter of a rectangle?
The perimeter of a rectangle of dimensions l and w is given by:
P = 2(l + w).
For this problem, the dimensions are given by:
l = 24 inches, w = 37 inches.
Hence the perimeter is:
P = 2(24 + 37) = 122 inches.
More can be learned about the perimeter of a figure at https://brainly.com/question/10489198
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