A triangle has three sides and three angles. The three angles always add to 180°. There are three special names given to triangles that tell how...

This free triangle calculator computes the edges, angles, area, height, perimeter, median, as well as other values and a diagram of the resulting triangle.

Rule 2: Sides of Triangle -- Triangle Inequality Theorem : This theorem states that the sum of the lengths of any 2 sides of a triangle must be greater than the third side. ) Rule 3: Relationship …

There are different types of triangles in math based on their sides and angles. Learn about different types of triangles, and their classification based on the side lengths and angles, with concepts, …

Play Triangles online for free, against the computer or other players. Fun puzzle game where you see who can complete the most triangles.

TRIANGLE definition: 1. a flat shape with three straight sides: 2. anything that has three straight sides: 3. a…. Learn more.

Learn triangle properties and geometry concepts with free lessons and practice on Khan Academy.

The Geometry of Triangles - Cool Math has free online cool math lessons, cool math games and fun math activities. Really clear math lessons (pre-algebra, algebra, precalculus), cool math games, …

Right triangle calculator to compute side length, angle, height, area, and perimeter of a right triangle given any 2 values. It gives the calculation steps.

Triangle angle calculator is a safe bet if you want to know how to find the angle of a triangle. Whether you have three sides of a triangle given, two sides and an angle or just two angles, this tool is a …