1.

The ratio of circumference and area of circle is 2:7 what is its circumference​

Answer»

ANSWER:

7 cm

Step-by-step explanation:

2/7 = 2πr/2πr*r

1/7 = 1/r. (2 devides 2 of 2πr and r of 2πr

r=7. devides r of 2πr*r bcoz r is same as it is the same CIRCLE)



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