![An engraving depicting the method of constructing elliptical arches. Dated 18th century - SuperStock An engraving depicting the method of constructing elliptical arches. Dated 18th century - SuperStock](https://www.superstock.com/cdn/1746/Comp/1746-29999323.webp)
An engraving depicting the method of constructing elliptical arches. Dated 18th century - SuperStock
![Problem 215. Pattern For A Splayed Elliptical Arch In A Circular Wall, The Opening Being Larger On The Outside Of The Wall Than On The Inside Problem 215. Pattern For A Splayed Elliptical Arch In A Circular Wall, The Opening Being Larger On The Outside Of The Wall Than On The Inside](https://chestofbooks.com/crafts/metal/Metal-Pattern/images/Fig-730-Elevation-and-Plan-of-Splayed-Elliptical-Arch.jpg)
Problem 215. Pattern For A Splayed Elliptical Arch In A Circular Wall, The Opening Being Larger On The Outside Of The Wall Than On The Inside
SOLUTION: how high is a semi elliptical arch of height 20 ft. and span 80 feet at a distance of 15 ft from the end?
![Circular Based Arches – Part 2: Three-Centered Arches | THISisCarpentry | Wall molding, Elliptical shape, Geometry Circular Based Arches – Part 2: Three-Centered Arches | THISisCarpentry | Wall molding, Elliptical shape, Geometry](https://i.pinimg.com/736x/76/fc/b2/76fcb25b107a0ab5e24b99ce65d5a6e7.jpg)