How to Calculate the Area of a Circle?

What is the formula to calculate the area of a circle?

Is it:
A. Radius multiplied by Pi
B. Diameter divided by Pi
C. Diameter multiplied by Pi
D. Radius squared multiplied by Pi

Answer:

The correct formula to calculate the area of a circle is: D. Radius squared multiplied by Pi.

To calculate the area of a circle, you can use the formula A = πr², where A is the area, π is a constant approximately equal to 3.14159, and r is the radius of the circle. The formula involves squaring the radius and multiplying it by Pi to find the total area covered by the circle.

For example, if the radius of a circle is 5 cm, you would square the radius (5² = 25) and then multiply it by Pi (25 x π ≈ 78.54). Therefore, the area of the circle would be approximately 78.54 square cm.

Remember, the area of a circle is the total space enclosed by the circumference of the circle, and you can easily calculate it by following the simple formula mentioned above. Next time you need to find the area of a circle, just remember to square the radius and multiply it by Pi!

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