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In the figure below, ABCD is a rectangle...

In the figure below, ABCD is a rectangle, EFGH is a square, and `bar(CD)` is a diameter of a semicircle. Point K is the midpoint of `bar(CD)`. Point J is the midpoint of both `bar(AB)` and `bar(EF)`. Points E and F lie on `bar(AB)`. The 3 given lengths are in meters.

What is the length, in meters, of are `bar(CD)`?

A

`2.5 pi`

B

`5 pi`

C

`6.25 pi`

D

`10 pi`

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The correct Answer is:
B
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ENGLISH SAT-PRACTICE TEST 1-EXERCISE
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