SOLUTION: A girl standing 6 feet from a lamp post cast ashadow 3 fet long. If the girl is 4 feet tall, how tall is the lamp?
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Question 168744: A girl standing 6 feet from a lamp post cast ashadow 3 fet long. If the girl is 4 feet tall, how tall is the lamp?
Answer by scott8148(6628) (Show Source): You can put this solution on YOUR website!
if you draw a picture, you will see that the height (of the girl or the lamp post)
__ is proportional to the distance from the end of the shadow
let x="height of lamp post"
4/3=x/(3+6) __ 36=3x __ 12=x
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