Question

Find the length of the diagonal of a rectangle whose sides are 7 and 24.

• A. 10
• B. 15
• C. 20
• D. 25

Answer 1

The correct option is D 25

Diagonal length of a rectangle = $\sqrt{l^2+w^2}$
= $\sqrt{7^2+{24}^2}$
= $\sqrt{49+576}$
= $\sqrt{625}$
= 25