Mathematics
Grade 8
15 min
Surface area of spheres
Surface area of spheres
Tutorial Preview
1
Find the surface area of a sphere with a radius of 2.
2
Find the surface area of a sphere with a diameter of 8.
3
A sphere has a surface area of 36π. What is its radius?
Sample Practice Questions
Easy
What is the surface area of a sphere with a radius of 1?
0.4π
1.π
2.2π
3.8π
Easy
A sphere has a radius of 3. What is its surface area?
0.12π
1.9π
2.36π
3.27π
Easy
What is the surface area of a sphere with a diameter of 4?
0.16π
1.64π
2.8π
3.4π
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