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Heron's formula calculator
This calculator calculates the area of a triangle using Heron's formula. This formula gives the area of a triangle from the lengths of all three sides. The formula can be found below the calculator.
Median of a triangle
This online calculator computes the median of a triangle given triangle sides
Angle bisector of a triangle
This online calculator computes the length of angle bisector given the lengths of triangle edges
Altitude of a triangle
This online calculator computes the altitude length of a triangle, given the lengths of sides of a triangle.
Area of triangle by coordinates
This calculator determines the area of a triangle using its vertex coordinates in the cartesian coordinate system.
Triangle Angle Calculator
The Triangle Angle Calculator is a tool that calculates the angles of a triangle given the length of its sides.
Pythagorean theorem calculator
Our Pythagorean Theorem Calculator can be used to find the missing side length of a right triangle by inputting the lengths of two known sides.
Side length of a triangle
This calculator computes side length of a triangle given two sides and angle between them (law of cosines)
Lengths of triangle sides given one side and two angles
This online calculator determines lengths of triangle sides given one side and two angles
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
Polygon area
An online calculator calculates a polygon area, given lengths of polygon sides and diagonals, which split polygon to non-overlapping triangles.
The area of a convex polygon from the coordinates of the vertices on the plane
This online calculator calculates the area of a convex polygon from the coordinates of the vertices. A convex polygon is built from the vertices using the Jarvis March Algorithm (or Gift Wrapping Algorithm)
Area of a triangle
This is universal online calculator for the area of a triangle which uses different methods to find the area of a triangle, depending on your knowledge of the triangle.
Equilateral triangle
This online calculator calculates characteristics of the equilateral triangle: the length of the sides, the area, the perimeter, the radius of the circumscribed circle, the radius of the inscribed circle, the altitude (height) from single known value
Center of mass of a triangle
This online calculator finds the centroid, or barycenter (center of gravity) of a triangle by the coordinates of its vertices
Triangle values by coordinates of vertices
This online calculator calculates a set of triangle values: length of sides, angles, perimeter, and area by coordinates of its vertices
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