document.write( "Question 616691: How to find the area of a parallelogram with the given vertices. P(1,3) Q(3,3) R(7,8) S(9,8). Please explain. \n" ); document.write( "
Algebra.Com's Answer #387837 by solver91311(24713)\"\" \"About 
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\n" ); document.write( "\n" ); document.write( "The difference in the x-coordinates of either of the bases is 2; 3 - 1 = 2 and 9 - 7 = 2, hence the measure of the base is 2. The difference in the y-coordinates is 8 - 3 = 5, so the altitude is 5. Use the formula for the area of a parallelogram.\r
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\n" ); document.write( "\n" ); document.write( "John
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\n" ); document.write( "My calculator said it, I believe it, that settles it
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