# Area of a circle definition

The area of a polygon is the number of square units inside the polygon. To understand the difference between perimeter and area, think of perimeter as the length of fence needed to enclose the yard, whereas area is the spaceinside the yard. Perimeter is 1-dimensional and is measured in linear units such as inches, feet or meters.

Use the this circle area calculator below to find the area of a circle given its diameter, or other parameters. To calculate the area, you just need to enter a positive numeric value in one of the 3 fields of the calculator. You can also see at the bottom of the calculator, the step-by-step solution. Circle definition: A circle is a shape consisting of a curved line completely surrounding an area. Every... | Meaning, pronunciation, translations and examples.
A semicircle is a half circle, formed by cutting a whole circle along a diameter line, as shown above. Any diameter of a circle cuts it into two equal semicircles. * An alternative definition is that it is an open arc. See note at end of page. Area of a semicircle. The area of a semicircle is half the area area of the circle from which it is made. Exercise 2: The area of a circle is 35 m² (square meters). How long are the radius and the diameter of that circle. Solution: In this exercise we have the opposite situation. The area of some circle is known and equals 15.7 m². What we need to calculate is the radius and diameter.

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Circumference definition, the outer boundary, especially of a circular area; perimeter: the circumference of a circle. See more.

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# Area of a circle definition

Use the this circle area calculator below to find the area of a circle given its diameter, or other parameters. To calculate the area, you just need to enter a positive numeric value in one of the 3 fields of the calculator. You can also see at the bottom of the calculator, the step-by-step solution.

The area of a polygon is the number of square units inside the polygon. To understand the difference between perimeter and area, think of perimeter as the length of fence needed to enclose the yard, whereas area is the spaceinside the yard. Perimeter is 1-dimensional and is measured in linear units such as inches, feet or meters.
Exercise 2: The area of a circle is 35 m² (square meters). How long are the radius and the diameter of that circle. Solution: In this exercise we have the opposite situation. The area of some circle is known and equals 15.7 m². What we need to calculate is the radius and diameter. Circle Shape. r = radius d = diameter C = circumference A = area π = pi = 3.1415926535898 √ = square root. Calculator Use. Use this circle calculator to find the area, circumference, radius or diameter of a circle. Given any one variable A, C, r or d of a circle you can calculate the other three unknowns.

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Exercise 2: The area of a circle is 35 m² (square meters). How long are the radius and the diameter of that circle. Solution: In this exercise we have the opposite situation. The area of some circle is known and equals 15.7 m². What we need to calculate is the radius and diameter.

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