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What is the measure of one leg of a right triangle if the other leg measures 12 and the hypotenuse measures 20?

1 Answer

May 22, 2018

#16#

Explanation:

if #c# is the hypotenuse and the two legs are #a" & "b# then by Pythagoras' theorem

#c^2=a^2+b^2#

#:. 20^2=a^2+1262#

#400=a^2+144#

#a^2=400-144=256#

#:.a=sqrt256=16#

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