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Q: Area of a circle that has a radius of 4.6 centimeters?

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6647.61cm2

As area = pi * radius2, the radius is given by radius = sqrt(area /pi) radius = sqrt(6644.24 / pi) = 46 with pi = 3.14

diameter = double the radius = 48 cm

The area of a cirle is: PI * r2 Where "r" is the radius, and PI is approximately 3.14. Hint: A radius is half of the diameter.

Radius = 1/2 of the diameter = 46 inches.

Diameter of a circle = 2*radius Diameter of a circle = circumference/pi

Circumference of the circle: 2*23*pi = 46*pi inches

6.78233......(Square root of 46)

In a rectangle, the area is calculated by multiplying length x width. If (for example) both length and width are in centimeters, the area will be in square centimeters.

1 meter = 1 hundred centimeters 46 meters = 46 hundred centimeters

46 centimeters is 18.11 inches.

46 centimeters = 18.1102362 inches.

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