The area of a triangle is found by multiplying one-half times its base times its height. According to Wolfram Mathworld, Beyer and Baker there are 110 formulas for the area of a triangle.

www.reference.com/article/area-triangle-69d50e3d2c2b3fba

The area of a triangle can be calculated from its vertices by using a formula to find the distances between them. This allows for the calculation of the area of a parallelogram with the same base and height as the triang...

www.reference.com/article/calculate-area-triangle-its-vertices-8a00094e50d572f6

The formula for the area of any triangle equals 1/2 the base times the height. For a right triangle, this is easy to remember ,since a right triangle is half of a rectangle on one side of its diagonal, and the area of a ...

www.reference.com/article/area-right-triangle-891b6f1f6c294b17

The formula for the area of a parallelogram is base times height. A parallelogram is a four-sided figure in which the opposite sides are parallel to one another and have the same length and the sum of all internal angles...

www.reference.com/article/formula-area-parallelogram-ae41c2b92daa6af7

The formula for the area of any triangle equals 1/2 the base times the height. For a right triangle, this is easy to remember ,since a right triangle is half of a rectangle on one side of its diagonal, and the area of a ...

www.reference.com/article/area-right-triangle-891b6f1f6c294b17

Multiply the length of each side of the triangle by the depth of the prism separately, then multiply the base of the triangle by its height. Add these four figures together.

www.reference.com/article/area-triangular-prism-953bf116c1936dd4

Use the Pythagorean theorem to find the height of a triangle. Subtract the square of the base from the square of the hypotenuse, and find the square root of the difference. You need to know the hypotenuse and the base to...

www.reference.com/article/height-triangle-ae023974fdad47e1