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anonymous
 one year ago
The height of a triangle is 5 m less than its base. The area of the triangle is 42 m2. Find the length of the base.
A.
11 m
B.
12 m
C.
8 m
D.
7 m
anonymous
 one year ago
The height of a triangle is 5 m less than its base. The area of the triangle is 42 m2. Find the length of the base. A. 11 m B. 12 m C. 8 m D. 7 m

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aric200
 one year ago
Best ResponseYou've already chosen the best response.0Do you know the formula to solve the area of a triangle

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0@pinkbubbles is going to help me you guys should help some other people

aric200
 one year ago
Best ResponseYou've already chosen the best response.0Area = (1/2)* base*height

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0ok now we can get down to business

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0Area = (1/2)* base*height 42 = (1/2)*x*(x5)

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0now we have to factorize, x^2  12x + 7x  84 = 0 x(x12) + 7(x12) = 0 (x12)*(x+7) = 0

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0oh i was going to say 11 but yea your right
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