Question: 9. A trough is formed by bending a 4m wide piece of metal into segments as shown. What angle 0 will maximize the cross-sectional area

9. A trough is formed by bending a 4m wide piece of metal into segments as shown. What angle 0 will maximize the cross-sectional area (and thus the capacity) of the trough? (5 Marks) 1 m - - --- 2 m

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