Math Is Fun Forum
  Discussion about math, puzzles, games and fun.   Useful symbols: √ ∞ ≠ ≤ ≥ ≈ ⇒ ∈ Δ θ ∴ ∑ ∫ π -

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Topic review (newest first)

John E. Franklin
2012-12-16 04:41:13

i also guess C based on 12 X 3.141_.

zee-f
2012-12-16 03:16:10

Hi,

I got C as an answer wondering if that is correct smile

7. The apothem of a regular 9-sided figure is 6 feet and the area is 117.67 square feet. What is the perimeter of the regular 9-sided figure?   

A 4.36 feet
B19.61 feet
C39.22 feet
D54.00 feet

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