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OpenStudy (anonymous):
explain how the formula for the area of a parallelogram is derived from that of a rectangle.
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jimthompson5910 (jim_thompson5910):
Hint: Draw out a parallelogram and a rectangle and compare the two |dw:1344542457084:dw|
jimthompson5910 (jim_thompson5910):
|dw:1344542471066:dw|
jimthompson5910 (jim_thompson5910):
I started out with a rectangle. Then I added parallel lines to form a parallelogram inside the rectangle
OpenStudy (anonymous):
okay and it also made two triangles
jimthompson5910 (jim_thompson5910):
yes that is also true
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OpenStudy (anonymous):
Kk
OpenStudy (anonymous):
Is that it?
jimthompson5910 (jim_thompson5910):
If the rectangle has a base 'b' and a height 'h' then |dw:1344542659343:dw| So the area of this rectangle is A = bh
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