Find the surface area of a square pyramid with a slant height of 15 and a base side measure of 20

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asked May 11, 2013 by anonymous
i need to know how to find the surface area please help

1 Answer

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answered May 11, 2013 by anonymous
eech av 4 faeses=triangel with base=20 & hite=15

1 faes area=(1/2)*20*15=10*15=150

4 faeses=600

??? Du yu wanna add in the base ???...20*20=400
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