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6 July, 03:36

A cone with a surface area of 15 pi square inches is enlarged by a scale factor of four to produce a similar cone. What is the surface area of the new cone

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  1. 6 July, 07:28
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    60*pi square inches

    Step-by-step explanation:

    We have a cone that originally has 15 * pi square inches of area, now it tells us that it is enlarged by a scale factor of four, to make a cone with the same shape.

    In other words, if it was a cone with a circular base, this new cone will also be a circular base, the same happens if it is a square base.

    Therefore, taking this into account, the new cone area is

    15 * 4 * pi = 60 * pi

    That is, the area of the new cone would be 60*pi square inches.
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