The height of a triangle is 6 m more than its base...

label Algebra
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The height of a triangle is 6 m more than its base. The area of the triangle is 56 m^2. Find the length of the base.

Mar 4th, 2015

A=bh/2

h=6+b

A=56

b=?

56=b*(b+6)/2

b^2+6b-168=0

(b-8)(b+14)=0


b=8,-14

Answer is b=8

Mar 4th, 2015

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