Triangle Calculator
Solve a triangle from any valid combination of sides and angles — SSS, SAS, ASA, AAS, or SSA.
Calculators and explainers tagged under Geometry.
Solve a triangle from any valid combination of sides and angles — SSS, SAS, ASA, AAS, or SSA.
Solves for the missing side of a right triangle: hypotenuse c = √(a²+b²), or leg a = √(c²−b²). Also computes the triangl...
Convert a Cartesian coordinate (x, y) to polar (r, θ), with r = √(x² + y²) and θ = atan2(y, x).
Convert a polar coordinate (r, θ) into the Cartesian coordinate (x, y) = (r cos θ, r sin θ), with θ entered in degrees.
Compute the volume and total surface area of a rectangular prism (box) from its length, width, and height.
Compute the perimeter of an ellipse from its semi-major (a) and semi-minor (b) axes using Ramanujan's second approximati...
Compute the area, perimeter, long diagonal, and short diagonal of a regular hexagon from any side length.
Compute the area, perimeter, and diagonal of a rectangle from its length and width.
Compute the dot product of two 3D vectors and the angle between them.
Find the coordinates of the midpoint of the segment connecting two points in the plane.
Compute the midpoint of a line segment between two points in 2D (set z₁ = z₂ = 0) or 3D space — i.e. the component-wise...
Compute the straight-line distance between two points (x₁, y₁) and (x₂, y₂) in the plane, plus the slope of the line thr...
Compute the area of a rhombus from the lengths of its two diagonals.
Calculate the surface area, volume, and space diagonal of a cube from a single side length.
Find the slope of the line through two points, plus the line equation in slope-intercept form.
Compute the area, perimeter, and apothem of a regular polygon from the number of sides and the side length.
Find the hypotenuse from two legs, or recover a missing leg from the hypotenuse and the other leg, using the Pythagorean...
Compute the area of a kite from the lengths of its two diagonals.
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