Posted by Anonymous on Tuesday, November 15, 2011 at 9:14pm.
Area of whole pizza = 100π , if by 10-inch pizza you mean a radius of 10
number of slices = 100π/15= 20.9 or 21 slices ?????
so the central angle of each slice = 360/21 = 17.1°
If the radius is 5 inches,
area = 25π
number of slices = 25π/15 = 5.2 ????
round off to 5 slices
angle at centre for each slice = 360/5.2 = 69
23°
Something tells me there is something wrong here.
Who cuts a pizza into 21 slices or 5 slices?
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