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Hard Math · Geometry and Trigonometry · Circles · MCQ
The figure presents a circle with center O. There are four points on the circle. Going clockwise around the circle, the four points are A, B, C, and D. Points A and C divide the circle into two arcs, arc A, D C and arc A B C. The length of arc A D C is less than the length of arc A, B C. Radius O A and radius O C are drawn. Angle A O C, the central angle corresponding to arc A, D C, measures x degrees

The circle above has center O, the length of arc A, D C is 5 pi, and x equals 100. What is the length of arc A, B C ?

  1. A

    9 pi

  2. B

    13 pi

  3. C

    18 pi

  4. D

    13 halves pi

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id cb_question_bank:2c4a70ab-20ce-4e0e-add7-2bf06bc1263e · question c8345903 · IBN 08415-DC · JSON