Advertisement Remove all ads

Find the Surface Area of a Sphere of Radius 4.2 cm. - Geometry

Advertisement Remove all ads
Advertisement Remove all ads
Advertisement Remove all ads

Find the surface area of a sphere of radius 4.2 cm. (π=22/7)

Advertisement Remove all ads

Solution

Radius (r) of a sphere = 4.2 cm
Surface area of a sphere = 4πr2

`=4xx22/7xx(4.2)^2`

`=221.76cm^2`


Thus, the surface area of sphere is 221.76 cm2

Concept: Surface Area of a Combination of Solids
  Is there an error in this question or solution?
Advertisement Remove all ads
Share
Notifications

View all notifications


      Forgot password?
View in app×