Posted by Matthew on Friday, January 20, 2012 at 10:00am.
Evan is painting a stool that has a cylindrical seat and four rectangular prism legs. The seat has a diameter of 8 inches and a height of 2 inches. Each leg is 2 inches by 2 inches by ten inches. How much area will Evan have to paint? Use three point one four for pi. Show your work.

Math  Reiny, Friday, January 20, 2012 at 11:41am
Area 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 = 48π16+336
= 470.72
check my arithmetic

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