Pre-Algebra Examples

$\sqrt{3^{2} + 4^{2}}$

Step 1

Raise $3$ to the power of $2$ .

$\sqrt{9 + 4^{2}}$

Step 2

Raise $4$ to the power of $2$ .

$\sqrt{9 + 16}$

Step 3

Add $9$ and $16$ .

$\sqrt{25}$

Step 4

Rewrite $25$ as $5^{2}$ .

$\sqrt{5^{2}}$

Step 5

Pull terms out from under the radical, assuming positive real numbers.

$5$