Post a New Question


posted by on .

The radius of one sphere is twice as great as the radius of a second sphere.

Find the ratio of their surface areas.

  • math - ,

    4π(2r)^2 / 4πr^2 = 4
    the square of the radius ratio

  • math - ,

    Find the surface area of an orange with a 3'' radius.

  • math - ,

    The formula is above. Plug in r=3.

    We will assume a smooth, rather than a dimpled, surface :-)

Answer This Question

First Name:
School Subject:

Related Questions

More Related Questions

Post a New Question