Find the ratio of radius to circumference of the circle.

What is the ratio of the circumference of a circle to its diameter.

Find the following ratios.The ratio of circumference of circle with radius r to its area.

Choose the correct alternative answer for the following question: The ratio of circumference and area of a circle is 2:7. Find its circumference. (A) 14 π (B) 7/π ( C) 7 π (D) 14/π

Write the following statements using the symbol of variation : Circumference © of a circle is directly proportional to its radius ®

If measure of an arc of circle is 160^@ and its length is 44 cm, find the circumference of the circle. ( A) 66cm ( B) 44cm ( C) 160cm (D) 99cm