Question

What is the length of a diagonal of a square with a side of length 8?

Answer 1

Since all sides are equal, we may apply the pythagorean theorem.

Answer 2

First of all.



Since the diagonal is the hypotenuse, let's apply the pythagorean.

\( \color{Black}{\Rightarrow 8^2 + 8^2 = x^2 }\)