Question

What is the length of the diagonal of a rectangle whose sides are $6$ and $8$?

• A. $10$
• B. $15$
• C. $20$
• D. $25$

Answer 1

The correct option is A $10$

Given, sides of rectangle are $6$ and $8$

Diagonal length of a rectangle $=$ $\sqrt{l^2+w^2}$
$=$ $\sqrt{6^2+8^2}$
$=$ $\sqrt{36+64}$
$=$ $\sqrt{100}$
$=10$