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Find the length of the missing side. If necessary, round to the nearest tenth.

a. 21.3

b. 30

c. 7.7

d. 15

For this, you are using the Pythagorean Theorem: a^2 + b^2 = c^2

You want to plug in the information you know: one of the legs is 14 and the hypotenuse is 16. This will give you a^2 + 14^2 = 16^2.

Now you just need to simplify and solve: 1) a^2 + 196 = 256 (square the 14 and 16)

2) Subract 196 from both sides: a^2 = 60

3) Take the square root of both sides: a = 7.74

Your answer is C. 7.7

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