Practice Surface Area Of A Sphere (11.2) - Surface Areas And Volumes

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8 questions

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6 sample questions

Question 1.
What is the surface area of a sphere with radius 4 cm?
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Use the formula 4πr².
Question 2.
Define a sphere in your own words.
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Think about the shape of a basketball.
3Question 3.
What is the formula for the surface area of a sphere?
- 2πr
- 2πr²
- 4πr²
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Think about the number of times you need to multiply the radius squared.
4Question 4.
True or False: A hemisphere has two curved faces.
- True
- False
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Visualize a half-sphere.
Question 5.
A hollow spherical shell has an outer radius of 7 cm and an inner radius of 5 cm. Calculate the surface area of the material used.
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Use the formula for the surface area of a sphere and consider both the inner and outer surfaces.
Question 6.
A sphere is inscribed in a cube. If the cube has a side length of 6 cm, calculate the surface area of the sphere.
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Consider how the sphere fits perfectly inside the cube.

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