Question

what is the length of the missing leg? if necessary, round to the nearest tenth. b = \boxed{} centimeters

Explanation:

Step1: Apply Pythagorean theorem

Let hypotenuse $c=20$, one leg $a=12$, missing leg $b$. Formula: $b=\sqrt{c^2 - a^2}$

Step2: Calculate values inside square root

$20^2 - 12^2 = 400 - 144 = 256$

Step3: Compute square root

$\sqrt{256} = 16$

Answer:

16