|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 angles for given triangle sides|
This calculator computes triangle angles for given triangle sides using cosine law
|Pythagorean theorem calculator|
Calculates the side length of a right triangle from two other sides using Pythagorean theorem. Created by user's request
|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
An online calculator calculates a polygon area, given lengths of polygon sides and diagonals, which split polygon to non-overlapping triangles.
|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.
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