Question
The centre of a doughnut is removed and formed to make a sphere of dough with diameter 2.5 cm. A batch of these spheres is to be covered in a sugar glaze. There is enough glaze to cover an area of 4710 cm^2. How many spheres can be glazed?
Answers
Ms. Sue
A=4πr2
A = 4 * 3.14 * 1.25^2
A = 12.56 * 1.5625
A = 19.625 sq. cm.
4710 / 19.625 = _______ spheres
A = 4 * 3.14 * 1.25^2
A = 12.56 * 1.5625
A = 19.625 sq. cm.
4710 / 19.625 = _______ spheres
Dana
240 spheres