The Pythagorean theorem has never been easier to understand! Learn how to use it to solve any right triangle with clear ...

Use the coordinates of point A and point C to work out the height of the triangle in the bottom left-hand corner of the diagram. A (5, 2) and C (5, 7) The \(x\) coordinate is the same but the \(y ...

It's possible to demonstrate and prove mathematically that the angle sum of every triangle is 180 degrees. The techniques used are useful for solving all kinds of other geometry problems too.