Chimney and tree
Calculate the height of the factory chimney, which casts a shadow of 6.5 m long in the afternoon. At the same time, a 6 m high tree standing near it casts a shadow 25 dm long.
Correct answer:

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You need to know the following knowledge to solve this word math problem:
geometryplanimetricsbasic operations and conceptsUnits of physical quantitiesGrade of the word problem
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