GMAT Practice Question Set #51 (Question 151-153)

Problem Solving Question #153: Length of Arc  
Time 0 0 : 0 0 : 0 0

In the circle above, CD is parallel to diameter AB and AB has length 16. What is the length of arc DB?

(A)

`2pi`

(B)

`(7pi)/3`

(C)

`(2pi)/3`

(D)

`(4pi)/3`

(E)

`(8pi)/3`

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