# Circle Area

## Area

Area is a numerical characteristic of a two-dimensional (flat or curved) geometric figure, informally speaking, showing the size of this figure. Historically, the calculation of the area was called quadrature. A figure having an area is called quadratic. Find the area of more than 22 shapes (triangle, square, pentagon, etc.) using our amazing calculator.

## Circle

Circle — is a part of a plane lying inside a circle. In other words, this is the geometrical location of the points of the plane, the distance from which to a given point, called the center of the circle, does not exceed a given non-negative number. The number is called the radius of this circle. If the radius is zero, then the circle degenerates to a point.

## Circle Area

In this circle area calculator we will consider 4 different ways to answer the question: How to calculate area of circle? What you need to do is just enter the necessary parameters, and our OwlCalculator will immediately give you an answer with formulas, solutions and definitions.

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- Area
- Volume
- Perimeter
- Side
- Height
- Diagonal
- Radius
- Median
- Bisector
- Angle
- Theorems