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15. Find the number of right angles turned through by the hour of a clock whenit goes from 4 to 1 |
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Answer» Answer: The hour hand of a CLOCK revolves by 360° or 4 right angles in one complete ROUND. (a) The hour hand of clock revolves by 90° or one right angle when it GOES from 3 to 6. (b) The hour hand of clock revolves by 180° or 2 right angles when it goes from 2 to 8. |
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