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November 21, 2014

November 21, 2014

Posted by **Anonymous** on Sunday, December 5, 2010 at 4:33pm.

- calculus -
**Reiny**, Sunday, December 5, 2010 at 5:52pmYou do not need Calculus for this question, since this results in a trapezoid.

The two parallel sides have lengths of 2 and 18 and the distance between them is 2

Area = 2(2+18)/2 = 20

if you insist on Calculus

Area = [integral](8x+2)dx from 0 to 2

= |4x^2 + 2x| from 0 to 2

= 16 + 4 - 0 = 20

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