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Side length of the regular polygon
Calculates the side length of the regular polygon circumscribed or inscribed to a circle. Created by user's request
Circle formulas
Circle formulas
Counting pipes from the end face
The approach to the calculation of the number of nested circles of smaller radius at a known length of the describing circle of a larger radius. Created by user request
Circumcircle of a triangle
This online calculator determines the radius and area of the circumcircle of a triangle given the three sides
Incircle of a triangle
This online calculator determines the radius and area of the incircle of a triangle given the three sides
Regular polygon. Incircle and circumcircle
This online calculator determines parameters of circumcircle and incircle of a regular polygon
Circular segment
Here you can find the set of calculators related to circular segment: segment area calculator, arc length calculator, chord length calculator, height and perimeter of circular segment by radius and angle calculator.
Regular polygon, number of sides and length of side from incircle and circumcircle radii
This online calculator finds number of sides and length of side of regular polygon given the radii of incircle and circumcircle
How many circles of radius r fit in a bigger circle of radius R
This calculator estimates how many circles of radius r can be placed inside another circle of radius R.
Find the intersection of two circles
This online calculator finds the intersection points of two circles given the center point and radius of each circle. It also plots them on the graph.
Equation of a circle calculator
This circle equation calculator displays a standard form equation of a circle, a parametric form equation of a circle, and a general form equation of a circle given the center and radius of the circle. Formulas can be found below the calculator.
Equation of a circle passing through 3 given points
This online calculator finds a circle passing through three given points. It outputs the center and radius of a circle, circle equations and draws a circle on a graph. The method used to find a circle center and radius is described below the calculator.
Arc length calculator
This universal online calculator can find arc length of circular segment by radius and angle, by chord and height and by radius and height.
Calculate radius from area
This online calculator calculates a radius of a circle from the given area of a circle
Cutting a circle
Two ways to cut a circle into equal parts : sector cuts and parallel cuts.
Center and radius of a circle by going from general form to standard form
This calculator finds the center and the radius of the circle given the equation of a circle in a general form. It does so by converting a general form to a standard form equation if this is possible.
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