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Question: You are lookng at a billboard 40m away with an angle of elevation of 30°. At what height is the billboard?
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Question: You are lookng at a billboard 40m away with an angle of elevation of 30°. At what height is the billboard?
Question 1: You are lookng at a billboard 40m away with an angle of elevation of 30°. At what height is the billboard?
View topic: বিবিধ সমস্যা (Miscellaneous Problem)
20
30
40
50
Source: জাতীয় নিরাপত্তা গোয়েন্দা সংস্থা-(NSI) Assistant Director, Research officer -; Assistant Programmer-০৮.১০.২০২১
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Answer: 20
Explanation:
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