Posted by amy on Wednesday, May 30, 2012 at 3:34pm.
What is the diameter of a cone with a height of 10 yards and a volume of 92.4 cubic yards? Round to the nearest whole number.
82.97=r^2???

pre algebra check  Steve, Wednesday, May 30, 2012 at 3:54pm
92.4 = 1/3 pi r^2 (10)
r^2 = 8.8
PS: don't forget you want the diameter

pre algebra check  amy, Wednesday, May 30, 2012 at 4:07pm
So is it 17.6??

pre algebra check  Steve, Wednesday, May 30, 2012 at 4:37pm
no, r^2 = 8.8
r = 2.97, so diameter is 5.94
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