Being an equilateral triangle all the sides are equal. Ab means a multiplied by b. Where is the perimeter is the length and is the width.
Perimeter Formulas The perimeter of any polygon is the sum of the lengths of all the sides.
Math formula for class 12 This list of formulas will play a key role especially in the revision and also when you start reading a particular chapter. Applying the Perimeter of a Polygon Formula. Home Contact About Subject Index. A triangle with sides 30 40 and 50 miles has a perimeter of 120 miles.