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Surface Area of Spheres

Surface Area of Spheres. Return to table of contents. A sphere is the set of all points that are the same distance from the center point. Like a circle, a sphere has a radius and a diameter. You will see that like a circle, the formula for surface area of a sphere also includes pi.

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Surface Area of Spheres

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  1. Surface Area of Spheres Return to table of contents

  2. A sphere is the set of all points that are the same distance from the center point. Like a circle, a sphere has a radius and a diameter. You will see that like a circle, the formula for surface area of a sphere also includes pi. Surface Area of a Sphere 4r2 click to reveal Radius

  3. If the diameter of the Earth is 12,742 km, what is its surface area? 12,742 km

  4. Try This: Find the surface area of a tennis ball whose diameter is 2.7 inches. 2.7 in click to reveal

  5. 50 Find the surface area of a softball with a diameter 3.8 inches.

  6. 51 How much leather is needed to make a basketball with a radius of 4.7 inches?

  7. 52 How much rubber is needed to make 6 racquetballs with a diameter of 5.7 inches?

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