meredith48034
meredith48034 meredith48034
  • 02-06-2020
  • Mathematics
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find the area of each Arc. Use the 3.14 as the value of pi. Round your answer to the nearest tenth. Label unit​

find the area of each Arc Use the 314 as the value of pi Round your answer to the nearest tenth Label unit class=

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sqdancefan
sqdancefan sqdancefan
  • 02-06-2020

Answer:

  18.8 m²

Step-by-step explanation:

The area of a sector is given by the formula ...

  A = (1/2)r²θ . . . . . . . r is radius, θ is the central angle in radians

To convert an angle in degrees to one in radians, multiply by π/180°.

Your 135° sector has an area of ...

  A = (1/2)(4 m)²(135°)(π/180°) = 6π m²

  A ≈ 18.8 m²

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