SOLUTION: The height of a triangle is four times the length of the base. Find the base and height of the triangle if the area is 18 square inches.

Question 123780: The height of a triangle is four times the length of the base. Find the base and height of the triangle if the area is 18 square inches.
Found 2 solutions by checkley71, MathLover1:
Answer by checkley71(8403) (Show Source): You can put this solution on YOUR website!
a=bh/2
a=b*4b/2
18=4b^2/2
36=4b^2
36/4=b^2
9=b^2
3=b answer.
4*3=12 for the height.
proof
18=3*4*3/2
18=36/2
18=18
Answer by MathLover1(20849) (Show Source): You can put this solution on YOUR website!
Given:
the height:
the base:
the area is
if he height of a triangle is four times the length of the base, then we have:

then �=>��
Check:

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