Question

1) circumference (c) = 11cm
diameter(d) =?
ratio of (c) to (d) = ?

2) circumference= 22cm
diameter=?
ratio of (c) to (d) = ?

3) circumference = 33cm
diameter= ?
ratio of (c) to (d) = ?
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Answer 1

Answer:

1) 7/4:7/2.

2) 7/2:7/1