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A 3 by 4 rectangle is inscribed in circle. What is the circumference of the circle?
A. 1π
B. 2π
C. 5π
D. 7π
E. 10π
The diagonal of a rectangle is the diameter of a circle. The diagonal is the hypotenuse of a 3,4,5 triangle, and is therefore, 5.
Circumference = π.diameter = 5π
 
 
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OmegaMoo
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Taken: 62 times
Added: 10/27/2008
Liked: 1 time
Taggged: Math, SAT
 
 
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