Question

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9 yd.
12 yd.
what is the length of the hypotenuse? if necessary, round to the nearest tenth.
c = yards

Explanation:

Step1: Apply Pythagorean theorem

$$c^2 = a^2 + b^2$$
where $a=12$, $b=9$

Step2: Calculate squared side lengths

$$c^2 = 12^2 + 9^2 = 144 + 81$$

Step3: Sum and take square root

$$c = \sqrt{225} = 15$$

Answer:

15 yards