23) For structural reasons bridges often have criss crossing trusses underneath. These trusses make many triangles like the figures below. Use the second figure to help find the missing length. Round to the nearest tenth. 87ª 115 ft *Note: Image taken from http://www.rogersconnection.com/triangles/ Cross section of part of bridge A. 8.1 feet 1632.5 feet C. 77.0 ft D. 171.6 ft

23) For structural reasons bridges often have criss crossing trusses underneath. These trusses make many triangles like the figures below. Use the second figure to help find the missing length. Round to the nearest tenth. 87ª 115 ft *Note: Image taken from http://www.rogersconnection.com/triangles/ Cross section of part of bridge A. 8.1 feet 1632.5 feet C. 77.0 ft D. 171.6 ft

Elementary Geometry For College Students, 7e

7th Edition

ISBN:9781337614085

Author:Alexander, Daniel C.; Koeberlein, Geralyn M.

Publisher:Alexander, Daniel C.; Koeberlein, Geralyn M.

Chapter7: Locus And Concurrence

Section7.3: More About Regular Polygons

Problem 40E: A regular polygon of n sides has an exterior angle whose measure is 12 degrees larger than the...

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