The altitude makes a right angle with the base of the triangle that it touches. This formula will help you find the length of either a, b or c, if you are given the lengths of the other two. The altitude of a triangle is the perpendicular line segment drawn from the vertex of the triangle to the side opposite to it. Main Article: Discussion: Related Articles. The sides, a and b, of a right triangle are called the legs, and the side that is opposite to the right (90 degree) angle, c, is called the hypotenuse. From Citizendium < Altitude (geometry) Jump to navigation Jump to search. This formula is for right triangles only! Just scroll down or click on what you want and I'll scroll down for you! The length of the altitude drawn from the vertex of the right angle of the right triangle to its hypotenuse is the geometric mean. Here are the three altitudes of a triangle: Share on Whatsapp.
For a triangle: a line at right angles to a side that goes through the opposite corner.
Definitions and formulas for the area of a triangle, the sum of the angles of a triangle, the Pythagorean theorem, Pythagorean triples and special triangles (the 30-60-90 triangle and the 45-45-90 triangle) Altitude (geometry) Generally: another word for height.