Consider the solid formed by rotating a 2 x 3 rectangle with vertices (2,0), (4,0), (2,3), and (4,3) about the y-axis select all the statements that are true about the resulting figure.

It will be a rectangle in the 3rd quadrant

It will be a solid cylinder with a radius of 2

It will be a hollow cylinder, the central core has a radius of 2

It will have a surface area equal to 56pi

It will have a surface area equal to 48pi

Question

Mathematics

Grady Kelly

30 December, 11:20

Consider the solid formed by rotating a 2 x 3 rectangle with vertices (2,0), (4,0), (2,3), and (4,3) about the y-axis select all the statements that are true about the resulting figure.

It will be a rectangle in the 3rd quadrant

It will be a solid cylinder with a radius of 2

It will be a hollow cylinder, the central core has a radius of 2

It will have a surface area equal to 56pi

It will have a surface area equal to 48pi

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Answers (1)

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Eliza Woods · Answer 1

It will be a hollow cylinder, the central core has a radius of 2.

It will have a surface area equal to 48pi.

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