Surface Area

Surface Area - Sphere


The surface area of a sphere with radius 55 is equal to MπM \pi, where MM is a positive integer. Determine the value of MM.

Given a sphere with volume 323π\frac{32}{3}\pi, what is the surface area of the sphere?

Given a solid hemisphere with radius 12,12, what is the total surface area of the hemisphere?

Given a sphere with radius 77 and surface area AA, if the radius of the sphere is increased to 2×72 \times 7, and the resulting surface area is cAc A, what is the value of cc?

The above diagram shows a quarter circle with radius 10.10. If the quarter circle is rotated 360360^\circ around line l,l, what is the surface area of the resulting body?


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