Definition: a three-sided polygon with a sum of 180 degrees in the angle measures Example: 60 degrees + 60 degrees + 60 degrees = 180 degrees Definition:...
Definition: a quadrilateral with one set of parallel sides Example: a=1/2(b1+b2)h The given equation, a=1/2(b1+b2)h, represents the formula to calculate the area (a) of a trapezoid The...