SOLUTION: Please help! I need to find the length of the base of a triangle in which the base of said triangle is 3 times its height with an area of 216 Cm2.
Thanks.
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Question 136957: Please help! I need to find the length of the base of a triangle in which the base of said triangle is 3 times its height with an area of 216 Cm2.
Thanks.
Answer by checkley77(12844) (Show Source): You can put this solution on YOUR website!
B=3H
FORMULA FOR THE AREA OF A TRIANGLRE IS :
AREA=BH/2 OR
216=3H*H/2
216=3H^2/2
3H^2=2*216
3H^2=432
H^2=432/3
H^2=144
H=SQRT144
H=12 ANSWER FOR THE HEIGHT.
B=3*12=36 ANSWER FOR THE BASE.
PROOF:
216=3*12*12/2
216=216
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