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Mathematics 15 Online
OpenStudy (anonymous):

Wesley has to gift wrap all the surfaces of the poster tube shown below. What is the area of the gift wrapping paper that Wesley will need? 138.2 square inches 135.1 square inches 540.4 square inches 276.6 square inches

OpenStudy (anonymous):

OpenStudy (zepp):

Can you find the area of the cylinder?

OpenStudy (anonymous):

Is there a forumla?

OpenStudy (zepp):

Yes (pi*radius^2)*2+((2pi*radius)*height)

OpenStudy (anonymous):

What would be the radius in this case?

OpenStudy (zepp):

The diameter/2 2/2 = 1

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