document.write( "Question 1199847: What is the area in the figure below, in m^2?
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Algebra.Com's Answer #833998 by MathTherapy(10552)\"\" \"About 
You can put this solution on YOUR website!
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document.write( "What is the area in the figure below, in m^2?\r\n" );
document.write( "https://imgur.com/a/mBEHVsO\r\n" );
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document.write( "You can use the fact that if the sides of similar triangles are in a certain ratio, then their areas'\r\n" );
document.write( "ratio  will be the SQUARED VALUES of that ratio. \r\n" );
document.write( "Area of larger ΔABC = \"1%2F2\"(AB)(AC) = \"1%2F2\"(7)(24) = 7(12) = 84 m2.\r\n" );
document.write( "So, shorter leg (ED) of smaller ΔCED to shorter leg of larger ΔABC results in a  \"4%2F7\" ratio. \r\n" );
document.write( "Thus, the area of smaller ΔCED will be: \r\n" );
document.write( "OR\r\n" );
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document.write( "Larger ΔABC and smaller ΔCED (shaded) are SIMILAR.\r\n" );
document.write( "Larger ΔABC boasts a 7-24-25 Pythagorean Triple, and AB and AC on larger ΔABC are 7 and 24 m, respectively.\r\n" );
document.write( "Using triangular similarity (larger ΔABC to smaller ΔCED) theory to find segment EC on smaller ΔCED, we get: \"matrix%282%2C3%2C+AB%2FAC%2C+%22=%22%2C+ED%2FEC%2C+7%2F24%2C+%22=%22%2C+4%2FEC%29\"\r\n" );
document.write( "7EC = 4(24) ---- Cross-multiplying \r\n" );
document.write( "\"matrix%281%2C6%2C+EC%2C+%22=%22%2C+4%2824%29%2F7%2C+%22=%22%2C+96%2F7%2C+m%29\". With lengths of EC and ED (longer and shorter legs of ΔCED) being \"96%2F7\" and 4,\r\n" );
document.write( "                      we get:  \r\n" );
document.write( "                                                                \"matrix%281%2C4%2C+%22=%22%2C+1%2F2%2C+%22%2A%22%2C+%2896%2F7%294%29\"\r\n" );
document.write( "                                                                \"matrix%282%2C2%2C+%22=%22%2C+%2896%2F7%292%2C+%0D%0A%22=%22%2C+192%2F7%29\" \r\n" );
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