From a hot-air balloon 2 km high, the angles of depression to two towns in line...
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From a hot-air balloon 2 km high, the angles of depression to two towns in line to the east with the balloon are 81.2° and 13.5°. How far apart are the towns? Give an approximate answer. From a hot-air balloon 2 km high, the angles of depression to two towns in line to the east with the balloon are 81.2° and 13.5°. How far apart are the towns? Give an approximate answer.
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