document.write( "Question 12399: The fomula for area of triangle is the following: A=1/2ab\r
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document.write( "Explain with drawings or diagrams why we use the fraction 1/2 in the formula. \n" );
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Algebra.Com's Answer #6345 by Earlsdon(6294)![]() ![]() ![]() You can put this solution on YOUR website! I don't know how to do drawings on this site, but think about this:\r \n" ); document.write( "\n" ); document.write( "The area of a rectangle having the same length sides as your triangle would be: \r \n" ); document.write( "\n" ); document.write( "A = L X W Now, draw a diagonal of the rectangle and you will have bisected it into two congruent triangles. The area of one of these triangles is exactly one-half the area of the rectangle, or: A = (1/2)(L X W} \n" ); document.write( " |