Asked by jonathan
the area of a triangle is 27. its height is 3 times the base. find the height and the base of the triangle.
Answers
Answered by
Steve
a = 1/2 bh
h = 3b
a = 1/2 b*3b = 3/2 b^2
27 = 3/2 b^2
18 = b^2
b = 3√2
h = 9√2
check: a = 1/2 (3√2)(9√2) = 1/2 (27)(2) = 27
h = 3b
a = 1/2 b*3b = 3/2 b^2
27 = 3/2 b^2
18 = b^2
b = 3√2
h = 9√2
check: a = 1/2 (3√2)(9√2) = 1/2 (27)(2) = 27
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