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14 votes
14 votes
I’ll give points and brainalist for answer / explanation

I’ll give points and brainalist for answer / explanation-example-1
User Yuh
by
2.7k points

1 Answer

24 votes
24 votes

Answer:

  • B. 48 cm²

Explanation:

The area between the concentric circles:

  • A = π(R² - r²)

If we tale π ≈ 3, we know R = 5 cm, we see r = R - 2 = 5 - 2 = 3 cm, then

  • A = 3(5² - 3²) = 3(16) = 48 cm²

Correct choice is B

User Harry Ninh
by
2.6k points
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