kendrajmoreno kendrajmoreno
  • 12-11-2018
  • Geography
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The circumference of the circle in the above figure is 128 ft. What is the length of AB?
A. 16 ft
B. 105.5 ft
C. 22.5 ft
D. 45 ft

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niaah52 niaah52
  • 12-11-2018
Set up a proportion: Central Angle/360= arc length/ circumference where the central angle= 45 and circumference= 128 ft. After you cross multiply, you should find that the answer is 16ft which is A.
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