Question

The diameter of a circular well is 4.2m .what is its
circumference?

Answer 1

Answer:

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Answer 2

Answer: 13.188 m

Step-by-step explanation:

Given :-

Diameter = 4.2 m

To find :-

circumference of the well

Solution :-

Radius of the well = 4.2/2 = 2.1 m

Circumference of the well = 2πr

= 2×3.14×2.1

= 13.188 m

Hope it helps!