Question

find the length of the diagonal of a square whose side is 15 CM​

Answer 1

diagonal of square =root under 15^2+15^2

so d=root under 450

Answer 2

Answer:

$15 \sqrt{2} \: cm$

Step-by-step explanation:

→ Diagonal of Square

= √2 × side of the square.

= √2 × 15

→ Diagonal of Square = 15√2 cm.