The height of a right triangle is 3 feet more than twice the length of its base. Express the area of the triangle as a function of the length of its base, x, in

Question

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Answer 1

Base = x

Height = 2x+3

 

Area = (1/2)·Base·Height

Area = (1/2)·x·(2x+3) = x² + (3/2)x ft²