Trapezoid IV In a trapezoid ABCD ABCD is AB 15cm CD 7 cm AC 12 cm AC is perpendicular to BC. The area of a triangle with base b and height. In the formula the long and short bases are a and b and the altitude is h.
Learn how to use the formula to find area of trapezoids.
The total space enclosed by the trapezoid. Really clear math lessons pre-algebra algebra precalculus cool math games online graphing calculators geometry art fractals polyhedra parents and teachers areas too. The area of any trapezoid with base side lengths b1 and b2 and height h is given by the formula A h b1 b22. The Properties of a Trapezoid - Cool Math has free online cool math lessons cool math games and fun math activities.