SOLUTION: the altitude of a triangle is 4m longer than the base. If its area is 126 square meter, find the length of the altitude.
can somebody answer this problem..thank you!
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-> SOLUTION: the altitude of a triangle is 4m longer than the base. If its area is 126 square meter, find the length of the altitude.
can somebody answer this problem..thank you!
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Question 489606: the altitude of a triangle is 4m longer than the base. If its area is 126 square meter, find the length of the altitude.
can somebody answer this problem..thank you! Answer by mananth(16946) (Show Source):
You can put this solution on YOUR website! base =x
altitude= (x+4)
1/2*x*(x+4)=126
x^2+4x=252
x^2+4x-252=0
x^2+18x-14x-252=0
x(x+18)-14(x+18)=0
(x+18)(x-14)=0
x= 14m which is positive.
base = 14 height = 14+4=18m
