Question

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Answer 1

Formula to find the perimeter of a square = S×4 or S+S+S+S where S is the side.

The square has all congruent and equal sides.

P = 5×4 = 20 m

Answer 2

this figure is a square. you can tell from the 4 congruent sides and right angles.

this means that all sides are the same size.

the perimeter is the length around the figure so
5 * 4 = 20

the perimeter is 20 m