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suppose a pizza slice is a circle sector with a 24 angle and a radius of 15 inches. If a can of pizza sauce will cover 94 square inches of pizza, how many cans of sauce are needed to cover this slice?

  • math -

    24/360 = .06666666..... or 1/15
    That is the fraction of the pizza in this slice.
    Area of whole pizza = pi r^2 = 225 pi
    So area of this slice = 225 pi/15 = 15 pi square inches. That is about 47.12 inches sq
    so it will take
    47.12/94 = about half a can

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