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The legs of a right triangle are 9 and 15 long what is the length of the hypotenuse?
Wiki User
∙ 13y ago
Use Pythagoras
h^2 = a^2 + b^2
Substitute
h^2 9^2 + 15^2
h^2 = 81 + 225
h^2 = 306
h = sqrt(306)
h = 17.429...
lenpollock
Wiki User
∙ 13y ago[Hypotenuse]2 = 92 + 152 = 81 + 225 = 306
So hypotenuse = sqrt(306) = 17.49 to 2 dp
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