Trigonometry Examples

$\sqrt{15^{2} + 8^{2}}$

Step 1

Raise $15$ to the power of $2$ .

$\sqrt{225 + 8^{2}}$

Step 2

Raise $8$ to the power of $2$ .

$\sqrt{225 + 64}$

Step 3

Add $225$ and $64$ .

$\sqrt{289}$

Step 4

Rewrite $289$ as $17^{2}$ .

$\sqrt{17^{2}}$

Step 5

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

$17$