Engineers are designing a triangular support frame for a pedestrian bridge. They have steel beams of lengths \(14 \ m\), \(21 \ m\), and \(26 \ m\).
The engineering team asks trainees to verify the feasibility of the design before fabrication.
The engineering team asks trainees to verify the feasibility of the design before fabrication.
(a) Identify the longest beam.
(b) Find the sum of the other two beams.
(c) Can a triangle be formed?
(d) Name the mathematical rule used.