Question

If the two legs of a right angled triangle are equal and square of the hypotenuse is 128 then the length of each leg is__

• A. $\sqrt{8}$
• B. 8
• C. $2\sqrt{8}$
• D. None of these

Answer 1

The correct option is B 8

We have
x${}^2$+ x${}^2$
2x${}^2$= 128
x${}^2$= 64
x = $\sqrt{64}$ = 8