A Navy captain going away from a lighthouse at the speed of 4[(√3) – 1] m/s. He observes that it takes him 1 minute to change the angle of elevation of the top of the lighthouse from 60 to 45 deg. What is the height (in metres) of the lighthouse?

Question

নিচের অপশন গুলা দেখুন

• 240√3
• 360√3
• 280√2
• 480[(√3) – 1]

Answer 1

সঠিক উত্তর হচ্ছে: 240√3

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