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

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