In the figure above the area would be given by the formula But we are not given h - the height. Length of Side B. How to Find the Length of the Side of a Triangle If You Know the Other Two Sides Draw the Triangle.
This is the Pythagorean Theorem used for solving for the unknown side.
A b c. Whether you have three sides of a triangle given two sides and an angle or just two angles this tool is a solution to your geometry problems. A b c. A triangle with an interior angle of 180 and collinear vertices is degenerate.