By changing the labels on the triangle we can also get. Let abc be the lengths of the sides of a triangle. Find the area of a triangle whose three sides are 3 cm 4 cm and 5 cm.
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A is the length of the corresponding altitude. 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 Just scroll down or click on what you want and Ill scroll down for you. Area ½ ca sin B. A is the area b is the base of the triangle usually the bottom side and h is the height a straight perpendicular line drawn from the base to the highest point of the triangle.