Question

(1) The ratio of circumference and area of a circle is 2:7. Find its circumference,​

Answer 1

Step-by-step explanation:

circumference of circle / area of circle = 2πr / πr²

2 / 7 = 2/r

r = 7

by putting r = 7

circumference of circle = 2πr = 2*22/7*7 = 22*2 = 44

so , answer is 44 units.

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Answer 2

Answer:

44

Step-by-step explanation: