VIAMC 2025 Mock Test — Level 6 (Senior) Question 5

Mr. Ong wants to build the steel gate shown. Its arch is parabolic. The gate is 5 m wide, its height at each side is 1.5 m, and its maximum height is 2 m, as labeled. Steel costs 660 000 VND per square metre. What is the cost, in thousands of VND?

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