Mathematics
Grade-8
Easy

Question

Find the volume of the cylinder. Round your answers to the nearest tenth if necessary. Use 3.14 for π.

  1. 31.4
  2. 30.5
  3. 29.8
  4. 32

hintHint:

The formula of the volume of the cylinder is pi r squared h.

The correct answer is: 31.4


    We know that the volume of the cylinder is given by V equals pi r squared h, where r is the radius of the cylinder and h is the height of  the cylinder. Here we are given r equals 2 c m and h equals 2.5 c m.
    table attributes columnalign right left right left right left right left right left right left columnspacing 0em 2em 0em 2em 0em 2em 0em 2em 0em 2em 0em end attributes row cell text  Volume  end text equals pi r squared straight h end cell row cell equals pi cross times 2 squared cross times 2.5 end cell row cell equals 10 pi end cell row cell equals 31.415926535898 text  centimeters  end text cubed end cell end table
    After decimal we don't count from ones we start counting from tenth.
    After rounding of the volume to tenth we get 31.4 c m cubed.

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