4π(2r)^2 / 4πr^2 = 4
the square of the radius ratio
The radius of one sphere is twice as great as the radius of a second sphere.
Find the ratio of their surface areas.
3 answers
Find the surface area of an orange with a 3'' radius.
The formula is above. Plug in r=3.
We will assume a smooth, rather than a dimpled, surface :-)
We will assume a smooth, rather than a dimpled, surface :-)
1 answer