Mathematics
Grade9
Easy

Question

Given a cone with the height of 10 cm and the base radius of 9 cm. Find the volume of this cone?

  1. 900
  2. 848.2
  3. 873.4
  4. 620

hintHint:

Use the formula of volume of cone.

The correct answer is: 848.2


    Given that:
    height of cone = 10 cm
     base radius of cone = 9 cm
    To find: 
    the volume of cone =?
    Solution:
    Given that, the height and base radius of the cone is 10cm and 9 cm respectively.
    We need to find the volume of the cone and we get
    V= 1 third space πr squared straight h
    where
    V = volume of cone
    r =  base radius of a cone
    h = height of a cone
    Put the given values in above formula, we get
    V = 1 third cross times 3.14 cross times 9 squared cross times 10
     V = 848.2 centimeters3
    So the correct option is b.

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