document.write( "Question 1209970: Find the area of this figure
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Algebra.Com's Answer #851279 by Edwin McCravy(20054)\"\" \"About 
You can put this solution on YOUR website!
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document.write( "This is a rhombus is made of 4 special right triangles. \r\n" );
document.write( "These are 5-12-13 right triangles.\r\n" );
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document.write( "Each of them has shorter leg = 5, hypotenuse = 13, and therefore\r\n" );
document.write( "longer leg = \"sqrt%2813%5E2-5%5E2%29=sqrt%28169-25%29=sqrt%28144%29=12\"\r\n" );
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document.write( "So each 5-12-13 right triangle below has base = 12 and height = 5\r\n" );
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document.write( "So each of the four 5-12-13 right triangles has area\r\n" );
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document.write( "\"A=expr%281%2F2%29%2Abase%2Aheight=expr%281%2F2%29%2A12%2A5=matrix%281%2C2%2C30%2Ccm%5E2%29\" \r\n" );
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document.write( "and since there are 4 of them, the total area = \"4%2A30+=+120\" cm2.\r\n" );
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document.write( "I think you are studying special right triangles, so this is a good\r\n" );
document.write( "page to look at:\r\n" );
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document.write( "https://flexbooks.ck12.org/cbook/ck-12-precalculus-concepts-2.0/section/4.3/primary/lesson/special-right-triangles-pcalc/\r\n" );
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document.write( "Edwin

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