Viewing angle
The observer sees a straight fence 60 m long at a viewing angle of 30°. It is 102 m away from one end of the enclosure. How far is the observer from the other end of the enclosure?
Correct answer:
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You need to know the following knowledge to solve this word math problem:
algebraplanimetricsgoniometry and trigonometryUnits of physical quantitiesGrade of the word problem
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