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From the top of a 50-m observation tower, a fire ranger observes,smoke in two locations. Ome is on a bearing of 0409 with an angle

From the top of a 50-m observation tower, a fire ranger observes,smoke in two locations. Ome is on a bearing of 0409 with an angle of depression of 8, and the other is on a bearing of 2059 with an angle of depression of 13. To the nearest metre, how far apart are the sources of smoke?

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