Asked by Delilah

A pyramid has a height of 5 in. and a surface area of 90 in^2. Find the surface area of a similar pyramid with a height of 10 in. Round to the nearest tenth, if necessary.

360 in^2
180 in^2
22.5 in^2
3.6 in^2

Answers

Answered by Ms. Sue
See Damon's answer.

http://www.jiskha.com/display.cgi?id=1362360405
Answered by Delilah
Um, I did, actually the right answer was 180 in.^2
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