A triangle is a three sided closed figure.
The perpendicular distance from the base to the opposite highest point is called the height ( h ).
Perimeter = a + b + c
Area = ½bh
Perimeter and Surface Area Formulas
By Anne Marie Helmenstine, Ph.D., About.com
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Triangle Perimeter and Surface Area Formulas
A triangle has three sides.
Todd HelmenstineIndex: Perimeter and Surface Area Formulas
- Triangle Perimeter and Surface Area Formulas
- Square Perimeter and Surface Area Formulas
- Rectangle Perimeter and Surface Area Formulas
- Parallelogram Perimeter and Surface Area Formulas
- Trapezoid Perimeter and Surface Area Formulas
- Circle Perimeter and Surface Area Formulas
- Ellipse Perimeter and Surface Area Formulas
- Hexagon Perimeter and Surface Area Formulas
- Octagon Perimeter and Surface Area Formulas
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