$\"\"$

The length of $\"\"$ , $\"\"$ and hypotenuse c = ?.

Apply Pythagorean theorem: $\"\"$ .

$\"\"$ (Substitute $\"\"$ , and $\"\"$ )

Evaluate square roots: $\"\"$ .

$\"\"$

Apply square roots property: $\"\"$ then $\"\"$ .

$\"\"$

$\"\"$ (Evaluate power: $\"\"$ )

The positive value of c = 15.9. $\"\"$

The hypotenuse of $\"\"$ .