document.write( "Question 541184: What is the area of the largest triangle that can be drawn in a semicircle of r=9? \n" ); document.write( "
Algebra.Com's Answer #354097 by KMST(5328)\"\" \"About 
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The green triangle (base=18, height=9) is the largest I can draw in the top half of the r=9 circle.
\n" ); document.write( "Its area is \"Area=%281%2F2%29%2Abase%2Aheight=%281%2F2%29%2A18%2A9=81\"
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