jackhrwd
jackhrwd jackhrwd
  • 21-03-2021
  • Mathematics
contestada

I’ll give points and brainalist for answer / explanation

Ill give points and brainalist for answer explanation class=

Respuesta :

mhanifa
mhanifa mhanifa
  • 21-03-2021

Answer:

  • C. 678 in²

Step-by-step explanation:

  • Area of circle: A = πr²
  • foot to inch: 1 ft = 12 in

Given radius of concentric circles:

  • 0.5 ft = 6 in
  • 1 ft = 12 in
  • 1.5 ft = 18 in

The shaded area:

  • Area of big circle - area of middle circle + area of small circle
  • π(18²) - π(12²) + π(6²) ≈ 678 in²

Correct choice is C

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