Answer:

How do I calculate the circumference of a circle?

To calculate the circumference, you need the radius of the circle:

•Multiply the radius by 2 to get the diameter.

•Multiply the result by π, or 3.14 for an estimation.

•That's it; you found the circumference of the circle.

How do you find the area of a circle using the circumference?

The area of a circle is given by the formula A = π r2, where A is the area and r is the radius. The circumference of a circle is C = 2 π r. If we "solve for r" in the second equation, we have r = C / (2 π ). Now we use this to replace r in the first equation: A = π [ C / (2 π ) ]2.

What is the area of the circle use 3.14 for?

Step-by-step explanation:

the area of a circle is equal to pi r square that is 3.14×3×3 = 28.26.

Step-by-step explanation:

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