**Find the length of the diameter of a circle whose circumference is 44 cm.**

**Solution:**

**Find the radius and area of a circle if its circumference is 18π cm.**

**Solution:**

**More solutions:**

- If the area of a semicircular region is 77 cm2.
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- The circumference of a circle is 123.2 cm.
- Calculate the radius of the outer circle.
- Find the cost of paving the road at ₹50 per m2.
- Find the circumference of the two circles.
- Find the circumference of the circle.
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