document.write( "Question 695287: Please help me answer this question: Which ones are right angles?
\n" ); document.write( "4cm, 6cm, 10cm 9in, 12in, 15in 8ft, 5ft, \"sqrt%2889%29\" ft Why?
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Algebra.Com's Answer #428399 by reviewermath(1029)\"\" \"About 
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\"+4%5E2+%2B+6%5E2+\"\"10%5E2\", therefore NOT a right triangle
\n" ); document.write( "\"+9%5E2+%2B+12%5E2+\" = \"15%5E2\", therefore it is a right triangle
\n" ); document.write( "\"+8%5E2+%2B+5%5E2+\" = \"sqrt%2889%29%5E2\", therefore it is a right triangle
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