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1. The surface area of a cone is 198pi square yards. The slant height of the...

1. The surface area of a cone is 198pi square yards. The slant height of the cone is twice the radius. What is the exact radius of the cone, using correct units of measurement?

2. The surface area of a sphere is 36pi square cm. What is the diameter of the sphere using the correct units of measurement?

3. The surface areas of two similar solids are 200 and 1152 square units. The volume of the larger one is 1728 cubic units. What is the volume of the smaller one?

4. The surface areas of two similar solids are 144 square centimeters and 16 square centimeters. What is the ratio of the large height to the small height?

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