Question

If a 45-45-90 triangle has a leg length of 7, find the length of the hypotenuse

Answer 1

7√2

Explanation:

Look at the picture.

In the triangle 45° - 45° - 90° the sides are in proportion 1 : 1 : √2.

We have b = 7.

Therefore the hypotenuse is b√2 = 7√2