SOLUTION: The perpendicular height of a triangle is 3 cm less than the
length of its base. The area of the triangle is 27 cm2. Form a
quadratic equation to represent the information and so
Algebra.Com
Question 903990: The perpendicular height of a triangle is 3 cm less than the
length of its base. The area of the triangle is 27 cm2. Form a
quadratic equation to represent the information and solve to
find the dimensions of the triangle.
Answer by ewatrrr(24785) (Show Source): You can put this solution on YOUR website!
A = (1/2)bh
Question States***
(1/2)b(b-3) = 27cm^2
b(b-3) = 54
b^2 - 3b -54 = 0
(b+6)(b-9) = 0 (Tossing out the negative solution for unit measure)
b = 9cm and h = 6cm
And...checking ***
54/2 = 27
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