The area of a circular base of the larger cylinder is 81π. The area of a circular base of the smaller cylinder is 9π.
Make a conjecture about the similar solids. How is the scale factor and the ratio of the surface areas related? Check all that apply.
- The dimensions of the larger cylinder are 3 times the dimensions of the smaller cylinder.
- The surface area of the larger cylinder is 32, or 9, times the surface area of the smaller cylinder.
- If proportional dimensional changes are made to a solid figure, then the surface area will change by the square of the scale factor of similar solids.
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