SOLUTION: Question 2.2. The height of a triangle is 6 m more than its base. The area of the triangle is 56 m2. Find the length of the base.
(Points : 1)
7 m
8 m
14
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Question 872083: Question 2.2. The height of a triangle is 6 m more than its base. The area of the triangle is 56 m2. Find the length of the base.
(Points : 1)
7 m
8 m
14 m
15 m
Answer by ewatrrr(24785) (Show Source): You can put this solution on YOUR website!
A = (1/2)bh = 56m^2
bh = 112
b(b+6m) = 112m^2
b^2 + 6b - 112 = 0
(b + 14)(b-8) = 0, b = 8m
(tossing out negative solution)
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