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OpenStudy (anonymous):
a pyramid has the height of 5 in. and the Surface area of 90 in2. find the surface area of a similar pyramid with a height of 10in. round if necessary.
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OpenStudy (anonymous):
seems like a ratio to me. well 5:90. you doubled the height so the SA doubles to 180.
OpenStudy (anonymous):
Thanks, but I tried that and the answer was wrong. The correct answer was 360 in2, I just want to know how they got this ...
OpenStudy (anonymous):
hmm from what i got it seemed like 180. guess not if i get it i'll let you know
OpenStudy (anonymous):
Thank you so much....
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