MathematicsWhich of the following is the surface area of a sphere of diameter 10 cm?

Which of the following is the surface area of a sphere of diameter 10 cm?


  1. A
    214  cm2
  2. B
    314 cm2
  3. C
    5,00 cm2
  4. D
    234 cm2  

    Fill Out the Form for Expert Academic Guidance!l



    +91



    Live ClassesBooksTest SeriesSelf Learning



    Verify OTP Code (required)

    I agree to the terms and conditions and privacy policy.

    Solution:

    It is given a sphere with a diameter as 10 cm.
    d=10 cm
    r=5 cm
    Surface area of sphere, A=4πr2.
    Substituting the values in the formula,
    A=4×3.14×52 A=4×3.14×5×5 A=314 cm2
    Hence, the surface area of the sphere is 314 cm2.
    Therefore, option 2 is correct.
     
    Chat on WhatsApp Call Infinity Learn