Observer
The observer sees a straight fence 100 m long in 30° view angle. From one end of the fence is 119 m.
How far is it from the other end of the fence?
How far is it from the other end of the fence?
Correct answer:
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You need to know the following knowledge to solve this word math problem:
algebraarithmeticplanimetricsbasic operations and conceptsnumbersgoniometry and trigonometryUnits of physical quantitiesGrade of the word problem
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