5. Bridges and other structures often use trusses (series of triangles) for structural support. Given the section of a truss below: a. Find the missing length. b. If 5 of these truss sections (the entire image below is considered 1 section) are to be used in a larger project, what length of steel in total will be required? (Assume all of the triangles are congruent.) 87 115 ft

5. Bridges and other structures often use trusses (series of triangles) for structural support. Given the section of a truss below: a. Find the missing length. b. If 5 of these truss sections (the entire image below is considered 1 section) are to be used in a larger project, what length of steel in total will be required? (Assume all of the triangles are congruent.) 87 115 ft

Trigonometry (11th Edition)

11th Edition

ISBN:9780134217437

Author:Margaret L. Lial, John Hornsby, David I. Schneider, Callie Daniels

Publisher:Margaret L. Lial, John Hornsby, David I. Schneider, Callie Daniels

Chapter1: Trigonometric Functions

Section: Chapter Questions

Problem 1RE: 1. Give the measures of the complement and the supplement of an angle measuring 35°.

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Question

Trigonometry

5. Bridges and other structures often use trusses (series of triangles) for structural support. Given
the section of a truss below:
a.
b.
Find the missing length.
If 5 of these truss sections (the entire image below is considered 1 section) are to be
used in a larger project, what length of steel in total will be required? (Assume all of the
triangles are congruent.)
87"
115ft
Cross section of part of bridge

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