SOLUTION: A cylinder with a radius of 5 is in a cube shaped box with a 20 cm edge. What percent of the box does the cylinder fill?

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Question 135090: A cylinder with a radius of 5 is in a cube shaped box with a 20 cm edge. What percent of the box does the cylinder fill?
Answer by checkley77(12844) About Me  (Show Source):
You can put this solution on YOUR website!
ASSUMING THE HEIGHT OF THE CYLINDER & THE BOX IS THE SAME THEN:
AREA OF THE CIRCLE.
A=PIr^2
A=3.14*5^2
A=3.14*25
A=78.5 CM^2 AREA OF THE CIRCLE.
AREA OF THE BOTTOM OF THE BOX.
A=20*20
A=400 CM^2
78.5/400=.19625 OR 19.625% OF THE BOX IS FILLED WITH THE CYLINDER.