Area of a Parallelogram Small 320×82 Medium 640×164 Large 1024×263 Download Tiff Original 2400×616 | (97.6 KB) Description Illustration of parallelogram AEFC drawn two different ways with base b and altitude/height a used to prove the area is aXb. Keywords altitude, area, base, height, parallelogram, parallelograms, rectangle, rectangles Galleries Quadrilaterals Source: G.A. Wentworth Plane And Solid Geometry (Boston: Ginn & Company, 1899) 188
