Question

A square piece of paper 150 millimeters on a side is folded in half along a diagonal. What is the exact length of the diagonal?

Answer 1

Look below.

Explanation:

`a^(2)+b^(2) =c^(2) \\150^(2)+150^(2)= c^(2)\\22500+22500=c^(2) \\√(45000) = c\\`

Use a calculator.