SAT Prep

Category - Math

What is the circumference of the circle inscribed in a square whose side is 8?
  1. π
  2. 16π
Explanation
Answer: D - The circumference of the circle inscribed in a square is8π. The radius of the circle inscribed in a square is equal to half of the side of the square.

r=a/2=8/2=4
C=2rπ=2×4π=8π
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