Parallel sides or the bases h. A b c a b and c. For example x y is a binomial.
Sometimes Math is Fun and sometimes it could be a surprising fact too.
If a and v are the two roots of the equation ax 2 bx c 0 then a v -b a and a v c a. Length of height Area of a trapezoid. You can calculate the area of a triangle if you know the lengths of all three sides using a formula that has been known for nearly 2000 years. Let b c x.