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13-08-2019
Mathematics

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7. What is the surface area of the sphere?

7 What is the surface area of the sphere class=

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jimrgrant1 jimrgrant1

13-08-2019

Answer:

C

Step-by-step explanation:

The surface area (A) of a sphere is calculated as

A = 4πr² ← r is the radius

The diameter is given as 10, hence r = 5

A = 4π × 5² = 4π × 25 = 100π ≈ 314.16 mi² ( to 2 dec. places )

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