Carcass wrote:
If the circumference of a circle inscribed in a square is 25π, what is the perimeter of the square?
A. 20
B. 25
C. 40
D. 50
E. 100
We have the following:
The perimeter of the
circle =
25πWe can see that the perimeter of the
square is GREATER THAN the perimeter of the
circle 25π ≈ (25)(3) ≈ 75So, the perimeter of the
square is GREATER THAN
25πCheck the answer choices....only one answer choice works.
Answer: E
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Brent Hanneson - founder of Greenlight Test Prep