Celina is buying fabric scraps to make koozies for her glasses. Each glass is cylindrical with a diameter of 3 inches and a height of 4 inches. The koozies will cover only the sides of the glasses. What is the amount of fabric she will use? What does this amount represent? Use for . Show your work.

Question

Celina is buying fabric scraps to make koozies for her glasses. Each glass is cylindrical with a diameter of 3 inches and a height of 4 inches. The koozies will cover only the sides of the glasses. What is the amount of fabric she will use? What does this amount represent? Use  for . Show your work.

anonymous · Answer

you will get a medal

anonymous · Answer

2*pi*r*height will give you the outside surface area of a cylinder, not including the top and bottom (which you don't want since we only cover the sides.
Does the problem tell you how many glasses she needs to make these for?

anonymous · Answer

no thank you and here's your medal

anonymous · Answer

You are making poster board boundary markers in the shape of square pyramids for a relay race. If you are including a  -inch square as the bottom and you want the slant height to be  inches, how much poster board do you need?