A triangle with side lengths of 5, 12, and 13 is a right triangle. True False
A triangle with side lengths of 5, 12, and 13 is a right triangle. True. 5^2 + 12^2 = 25 + 144 = 169 13^2 = 169 5^2 + 12^2 = 13^2 so it is a right triangle
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Question
Updated 11/18/2014 2:26:30 AM
Rating
8
A triangle with side lengths of 5, 12, and 13 is a right triangle. True.
5^2 + 12^2 = 25 + 144 = 169
13^2 = 169
5^2 + 12^2 = 13^2 so it is a right triangle
Confirmed by jeifunk [11/18/2014 2:27:48 AM]

Questions asked by the same visitor
One leg of a right triangle is 12, and the hypotenuse is 20. The length of the other leg is
Question
Updated 11/18/2014 2:30:05 AM
One leg of a right triangle is 12, and the hypotenuse is 20. The length of the other leg is: sqrt (20^2 - 12^2) = sqrt 256 = 16
Confirmed by jeifunk [11/18/2014 3:40:12 AM]
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