Find the circumference of a circle with a radius of 3.5 cm.

univerkov | July 26, 2021 | education

1) The formula for the circumference of a circle: c = 2πr, where r is the radius. n ~ 3.14.

2) Circumference, with a radius of 3.5 cm: 2 * 3.14 * 3.5 = 22 cm.

3) When rounded to tens, we get the value: 20 cm.

Answer: the circumference, with a radius of 3.5 cm – 20 cm.

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