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U11F5

Last updated over 4 years ago

3 questions

1

1

1

Question 1

1.

The Great Circle of a sphere has an area of 144.Pi miles2, what is the radius of the sphere?

24

12

72

144

Question 2

2.

If the radius of a Sphere is 10 cm, what is the surface area of the sphere in terms of Pi?

100.Pi cm2

25.Pi cm2

400.Pi cm2

Pi cm2

Question 3

3.

If the Surface area of a Sphere is 900.Pi m2, what is the radius of the Sphere?

15

30

7.5

10