Respuesta :

mhanifa

Answer:

  • B. 48 cm²

Step-by-step 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

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