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What angles do the hour hand and the minute hand of a clock turn through in five hours?
Every hour the minute hand turns through 360°. It will have made five such revolutions in five hours. This amounts to 1800°.
The hour hand turns through 30° every hour ( of 360°). In five hours it will turn through 5 × 30° = 150°.
Give an alternative notation for labelling each of these angles in the diagram below.
(a) or CAB.
(b) or BCA.
(c) γ or DAC.
(d) δ or .