# How do you find the area of the parallelogram with vertices (4,5), (9, 9), (13, 10), and (18, 14)?

##### 1 Answer

Feb 23, 2015

Calculate the areas of the four trapezoids formed by the line segments, the X-axis, and the line segments joining the given vertices to the X-axis.

Subtract the lower two trapezoid areas from the upper two.

General form of Trapezoid Area =

Area of parallelogram

(always assuming my basic arithmetic is correct).