Help with square footage   (08/14/2009, 8:30 PM)

I have the question and answer, but I don't know how we got to this answer, can someone please explain...I have a big test tomorrow and I need to be able to comprehend. Thank you so much!

Students need to paint one side of a wooden semicircular prop to be used as the sun on the set of a play. The diameter of the semicircle is 10 feet, and a can of paint covers 32 square feet. What is the minimum number of cans of paint the students must buy?

The answer is: 2 cans of paint

 


  Current Thread...
08/14/2009, 8:30 PM Help with square footage
08/15/2009, 12:01 AM     Re: Help with square footage