Question

13 ft.
5 ft.
b
what is the length of the missing leg? if necessary, round to the nearest tenth.
b = feet
submit

Explanation:

Step1: Apply Pythagorean theorem

Let hypotenuse $c=13$, one leg $a=5$, missing leg $b$. Theorem: $a^2 + b^2 = c^2$
Rearrange: $b^2 = c^2 - a^2$
Substitute values: $b^2 = 13^2 - 5^2 = 169 - 25 = 144$

Step2: Calculate b

Take square root: $b = \sqrt{144} = 12$

Answer:

12