GMAT Practice Question Set #23 (Question 67-69)

Problem Solving Question #67: Length of Arc Tip  
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 CD?

(A)

`pi/3`

(B)

`(8pi)/9`

(C)

`(5pi)/4`

(D)

`pi`

(E)

`(9pi)/4`

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