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

Answer:

Look below.

Step-by-step explanation:

$a^{2}+b^{2} =c^{2} \\150^{2}+150^{2}= c^{2}\\22500+22500=c^{2} \\\sqrt{45000} = c$

Use a calculator.