Question

A regular polygon with length of one side given as 2.5 cm has a perimeter of 50 cm. How many diagonals will it have?​

Answer 1

The string length is the perimeter of the shape.

∴ For each case, perimeter=30cm

(i) Square

A square has all the side equal.

Perimeter=4×(side of square)

∴side of square=4perimeter=430=7.5cm