$\"\"$

The length of $\"\"$ , b = 3 and hypotenuse c = ?.

Apply pythagorean theorem: $\"\"$ .

$\"\"$ (Substitute $\"\"$ , and b = 3)

Evaluate powers: $\"\"$ .

$\"\"$

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

$\"\"$

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

The positive value of c = 11. $\"\"$

The hypotenuse of $\"\"$ .