document.write( "Question 953513: One triangular face of a pyramid has a base of 20 meters and a height of 30 meters. What is the area of the triangular face?
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Algebra.Com's Answer #586271 by macston(5194)\"\" \"About 
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h=height=30m; a=base=20m; s=slant height; A=area
\n" ); document.write( "\"s%5E2=%28%281%2F2%29a%29%5E2%2Bh%5E2\"
\n" ); document.write( "\"s=sqrt%28%281%2F4%29a%5E2%2Bh%5E2%29\"
\n" ); document.write( "\"s=sqrt%28%281%2F4%2920%5E2%2B30%5E2%29\"
\n" ); document.write( "\"s=sqrt%28100m%5E2%2B900m%5E2%29\"
\n" ); document.write( "\"s=31.6m\"
\n" ); document.write( "\"A=%281%2F2%29sa\"
\n" ); document.write( "\"A=%281%2F2%29%2831.6m%29%2820m%29\"
\n" ); document.write( "\"A=316m%5E2\" ANSWER: The area is 316 square meters.
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