Geometry

Surface Area

Surface Area - Cylinder

         

What is the surface area of a cylinder with radius 4 4 and height 6 6 ?

The above diagram shows a cylinder with height h=9.h=9. If the surface area of the cylinder is 44π,44\pi, what is the radius r?r?

Note: The above figure is not drawn to scale.

The above diagram shows a rectangle with x=4x=4 and y=8.y=8. If the rectangle is rotated 360360^\circ around line l,l, what is the surface area of the resulting body?

Note: The above figure is not drawn to scale.

The diagram above shows two cylinders with rA=2,hA=4,rB=3,r_A=2, h_A=4, r_B=3, and hB=7.h_B=7. If SAS_A and SBS_B are the surface areas of cylinders A and B, respectively, what is the value of SASB?\frac{S_A}{S_B}?

Note: The above figures are not drawn to scale.

A cylinder has a total surface area of 136π 136\pi . If it has a radius of 44, what is its height?

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