Mathematics
Grade9
Easy

Question

You have a globe that has a radius of 11 inches. Find the volume of your globe.

  1. 523 cubic inches
  2. 16,717 in3
  3. 5,575 in3
  4. 7,235 in3

hintHint:

Use the volume of sphere.

The correct answer is: 5,575 in3


    Given that:
    the radius of the globe = 11 inches
    To find:
     the volume of the globe =?
    Solution:
    Globe is a geometrical map of a spherical shape.
    i.e. globe in sphere shape.
    The volume of globe is calculated by
    V = 4 over 3Πr3
    where
    V = volume of globe
    r = radius of globe
    Put the given values in the above formula
    V = 4 over 3 cross times 3.14 cross times 112
    V = 5575.2 in2
    So correct option is b.

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