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A right triangle has a hypotenuse of length 20 cm and another side of length 16 cm. what is the length of the third side of the triangle?

A right triangle has a hypotenuse of length 20 cm and another side of length 16 cm. what is the length of the third side of the triangle?
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3 votes
A right triangle has a hypotenuse of length 20 cm and another side of length 16 cm. what is the length of the third side of the triangle?

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User Andrew Jackson
by
8.0k points

1 Answer

5 votes
Apply the Pythagorean Theorem:

20^2 = 16^2 + x^2 => 400 = 256 + x^2 => 144 = x^2, or x = 12 cm (answer)
answered
User Stan Fad
by
8.8k points
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