document.write( "Question 806645: what is the area of a scalene triangle with the side lengths as 5cm, 10cm and 7cm. \n" ); document.write( "
Algebra.Com's Answer #485951 by Edwin McCravy(20055)\"\" \"About 
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document.write( "Calculate the semi-perimeter s = \"%28a%2Bb%2Bc%29%2F2\" using a=5, b=10, c=7\r\n" );
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document.write( "then find the area by Heron's formula:\r\n" );
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document.write( "A = √s(s-a)(s-b)(s-c)\r\n" );
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document.write( "Edwin
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