Question

The diagonal of a square is 10in. How do you find the length of the sides?

Answer 1

Sides = 7.07 inches

Explanation:

According to Pythagorean Theorem,

`a^2=b^2+c^2`

Once it is a square, b = c. So,

`10^2=b^2+b^2`

`100=2b^2`

`b^2=100/2=50`

`b=sqr(50)~=7.07''`