An icicle is in the shape of an inverted cone with a diameter of 11 millimeters and a height of 90 millimeters How much frozen water is in the icicle? Use 3 point 1 4 for pi . Round the answer to the nearest tenth.

The volume of a cone is V = (1/3)πr²h. The icicle’s radius is half its 11 mm diameter, so r = 5.5 mm; using h = 90 mm and π = 3.14 gives V = (1/3)(3.14)(5.5²)(90) = 2,849.55 mm³. Rounded to the nearest tenth, that is 2,849.6 mm³, choice D.

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