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Need help on unit 2 review

Need help on unit 2 review-example-1

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Use the pythagorean theorem:
a^2+b^2=c^2
12 is the hypotenuse because it is opposite the right angle.

10^2+b^2=144
100+b^2=144
b^2=44
b=sqrt44
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User Reergymerej
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