Question

1. the diagonal of a square is 20 cm. find the side of the square and its perimeter
ANSWER :side of the square = 14.14cm
perimeter = 56.56cm
ik the answer but idk how to solve this question please solve this question and and get the answer AND HELP ME PLEASEEE

Answer 1

@sciencegirl

Answer 2

@kaityk24

Answer 3

Yes?

Answer 4

can u please help me solve it?

Answer 5

The diagonal of a square is sqrt(2) * the side length

(You can derive this by imagining the diagonal being the hypotenuse of a right triangle)

So take the diagonal and divide it by sqrt(2) to get the side length

From there, multiply the side length by 4 to get the perimeter