← 3.4 Time, Distance and Speed

Fifteen degrees to the hour

Mathematics · Grade 9 · about 40 minutes

The earth turns 360 degrees in 24 hours, so each 15 degrees of longitude is one hour of time.

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  • 9 sections of explanation, worked examples and diagrams
  • 1 practice task with hints and worked answers
  • A quiz that marks itself as you go
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