Area of an Ellipse Small 320×176 Medium 640×353 Large 1024×564 Download Tiff Original 2400×1322 | (144.2 KB) Description Illustration of half of an ellipse used to show that the area of an ellipse is equal to pi times a times b. Keywords area, conic sections, ellipse, ellipses, oval, ovals, section Galleries Conic Sections: Ellipses Source: G.A. Wentworth Plane And Solid Geometry (Boston: Ginn & Company, 1899) 441
