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Find the area and the circumference of a circle with diameter 4 m

User Maephisto
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1 Answer

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The area of a circle:

2\pi \: {r}

We need to first find the radius of the circle:
4÷2
=2

We can then find the circumference:

2\pi(2) \\ = 4\pi \\ = 12.566...
If you are to take absolute value,the answer would be 4兀m.

Otherwise,the aswer would be 12.566m.

Hope it helps!
User Umesha MS
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