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September 19, 2014

September 19, 2014

Posted by **Matthew** on Friday, January 20, 2012 at 10:00am.

- Math -
**Reiny**, Friday, January 20, 2012 at 11:41amArea of seat to be painted

= Surface area of cylinder - 4 squares covered by end of legs

= 2π(4^2) + 2π(4)(2) - 4(2^2) = 48π - 16

surface area of legs (assuming he will paint the bottom of the legs):

each leg has 4 surfaces of 2(10) or 20 inches^2

= 4(4)(20) + 4(2)(2)

= 336

total area = 48π-16+336

= 470.72

check my arithmetic

- Math -
**Teach**, Tuesday, September 18, 2012 at 9:31pmYou should allow them to do their own test! You should not do it for them!

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