Post a New Question

mathematics

posted by .

What is the solution for this?
The surface area of a sphere varies in direct proportion to the square of its radius. If a sphere of radius 6cm has a surface area of 452 square cm, find, to the nearest mm, the radius of a spherewith the surface area 1000 square cm.

  • mathematics -

    36/452 = r^2/1000
    r^2 = 36/.452
    r = 8.9 cm

Respond to this Question

First Name
School Subject
Your Answer

Similar Questions

More Related Questions

Post a New Question