Question

The circle formed by the blades of a fan has a circumference of thirty-seven and five-sevenths inches. What is its diameter? Use twenty-two sevenths for pi.

Answer 1

\[2\pi r=37\frac{ 5 }{ 7 }\]
\[d=2r\]
\[r=\frac{ 37 }{ 2(22/7) }\frac{ 5 }{ 7 }\]
\[r=\frac{ 37(5) }{ 22(2) }\approx 4.2\]
d=2(4.2)=8.4"

Answer 2

Thank you! Thats really helpfull.

Answer 3

you're welcome