SOLUTION: A person is walking away from a 12ft. lamppost casts a shadow of 6ft. long. If the person is at that moment 10ft. away from the lamppost, what is the person's height?
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Question 287708: A person is walking away from a 12ft. lamppost casts a shadow of 6ft. long. If the person is at that moment 10ft. away from the lamppost, what is the person's height?
Answer by richwmiller(17219) (Show Source): You can put this solution on YOUR website!
12/x=16/6
the ratios of height to height and shadow to shadow
72=16x
9=2x
4.5=x
x= 4.5 feet tall
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