2 years ago

For the following right triangle, find the side length x. Round your answer to the nearest hundredth

1 answer:

3 0

Answer:

7.94

Step-by-step explanation:

$a^{2} + 9^{2} =12^{2} \\a^{2} +81 = 144\\a^{2} = 63\\a = \sqrt{63} \\a= 7.93725$

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