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Posted by on Tuesday, January 31, 2012 at 1:25pm.

1. Dan is building a silo on his farm in the shape of a right circular cylinder. The silo has a radius of 20 cm and a height of 60 cm. If he were to increase the radius and height by a factor of 1.5, by what factor would the volume of the silo increase?

  • math - , Tuesday, January 31, 2012 at 1:28pm

    volume= 4PI/3 (r^2)(h)

    so increasing r and h by 3/2, then
    volume increases by (3/2)^2 * (3/2) or
    27/8

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