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What is the length of the side of a right triangle that has a hypotenuse that is 15 mm and a side that is 9 mm? a.12 mm b.15 mm c.27 mm d.45 mm
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What is the length of the side of a right triangle that has a hypotenuse that is 15 mm and a side that is 9 mm?

a.12 mm
b.15 mm
c.27 mm
d.45 mm

User Manny Calavera
by
6.5k points

1 Answer

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a. 12 mm

The Pythagorean Theorem states that a^2 + b^2 = c^2 with a and b being lengths of legs and c being the length of a hypotenuse. So we can use our givens to solve for the remaining leg.

9^2 + b^2 = 15^2
81 + b^2 = 225
b^2 = 144
b = 12
User Vinod Srivastav
by
6.2k points
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