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The length of the base of a triangle is twice its height. If the area of the triangle is 64 square​ kilometers, find the height.

Verified Answer :

Area of a triangle = base x height / 2
64 = base x height / 2
(multiply 2 on both sides)
128 = base x height 
then if base= 16 and height = 8 then 16 x 8 = 128
thus the base is 16 which is twice the height:8

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