The height of a light house is 85 m. An observer on it found the
angle of depression to a boat to be 30°, which was sailing towards
the light house. After 2 minutes, the angle of depression for the same
boat was 60°. What was the speed of the boat in km/hr ? (V3 = 1.7)
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Step-by-step explanation:
the height of lighthouses 85 Centre so we can the most happiest 8:30 a.m. degree Celsius then at 5.30 then after two minutes how many it will be in 25 + 85 + 30 is it to is a answer x divided by their 60 is the formula of bucket V3 is a 21.7
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