Question
A necklace is made up of 50 spherical beads. Each bead has a radius of 8 millimeters. What is the volume of the necklace? What is the surface area?
Answers
Steve
v = 50 * 4pi/3 * 8^3
a = 50 * 4pi * 8^2
a = 50 * 4pi * 8^2