Question

find the area dioganal and perimeter of a square whose side is 7 cm

Answer 1

here is ur answer:

side = 7 cm

$area = {side}^{2} \\ \\ area = {7}^{2} \\ \\ area = 49 {cm}^{2} \\ \\ \\ diagonal = \sqrt{2} \times side \\ \\ diagonal = \sqrt{2} \times 7 \\ \\ diagonal =7 \sqrt{2}cm \\ \\ \\ perimeter = 4 \times side \\ \\ perimeter = 4 \times 7 \\ \\ perimeter = 28cm$

hope it helps you!