Grade 11 Math: Spheres Worksheet
A worksheet for Grade 11 students covering the properties, surface area, and volume of spheres.
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Grade 11 Math: Spheres
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Read each question carefully and answer to the best of your ability. Show all your work for full credit.
1. What is the formula for the surface area of a sphere with radius 'r'?
A = πr²
A = 2πr²
A = 4πr²
A = (4/3)πr³
2. If the volume of a sphere is 36π cubic units, what is its radius?
3 units
6 units
9 units
12 units
3. A sphere is a perfectly round three-dimensional object in which every point on its surface is equidistant from its .
4. The distance from the center of a sphere to any point on its surface is called the .
5. A spherical balloon has a radius of 7 cm. Calculate its surface area. Use π ≈ 22/7.
6. A spherical storage tank has a diameter of 10 meters. What is the volume of the tank? Use π ≈ 3.14 and round your answer to two decimal places.
7. A great circle of a sphere divides the sphere into two hemispheres.
True
False
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