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iogann1982 [59]
3 years ago
13

Your class started at 12:12PM and ended at 12:50PM. What angle did the minute hand of a watch sweep through during the class? A.

228. B. 132. C. 168. D. 153.
Mathematics
1 answer:
djverab [1.8K]3 years ago
8 0

recall that a circle has a total of 360°.


now the clock has 60 minutes, how many degrees are there between each minute? well, that'd be 360°/60, which gives us 6° for every passing minute.


the class started at 12:12, went through to 12:50, that's 38 minutes, and since every passing minute is 6°, that'd be 38 * 6.

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