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A right triangle has a hypotenuse that measures 41 ft and one side that measures 40 ft. what is the length of the remaining side of the triangle?

Ab. 13 ft
C11 ft
D9 ft

Verified Answer :

mathmate

In a right triangle, use Pythagoras theorem
hypotenuse ^2 = (short leg)^2 + (long leg)^2
(short leg)^2 = hypotenuse^2-(long leg)^2
=41^2-40^2
= 1681-1600
= 81 
short leg = sqrt(81)'
=9'

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