Mathematics
Grade-8
Easy

Question

If a tennis ball has a diameter of 14, find the volume of the tennis ball. Use 3.14 for pi. Round to the nearest whole number (the ones place).

  1. 1432
  2. 1436
  3. 1400
  4. 1490

hintHint:

First convert diameter into radius , and then calculate the volume

Volume of Sphere Formula = 4 over 3 πr cubed
 

The correct answer is: 1436


    Given the diameter of Sphere = 14 cm radius = half of diameter = 7 cm 

    and , Volume = ? 

    Step 1 :

    Volume of Sphere Formula = 4 over 3 πr cubed

    step 2:

    Putting values 

    taking pi = 3.14  
    Volume =   4 over 3 cross times 3.14 cross times 7 cubed =  1436 to nearest ones   cubic cm
    so , 1436 cm cube is the water it can hold in ml 

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