Question

What fraction of a clockwise revolution does the hour hand of a clock turn through, when it goes from 7 to 1

Answer 1

Answer:

Step-by-step explanation:

a)

WHEN WE GO FROM 3 TO 9.

WE MOVE 6HOURS,ie

6/12of revolution             (we know 12hrs=1 revolution)(1hour=1/12 revolution)

IN THE SAME WAY..

b)

WHEN WE GO from 12 to 9

we move 9hrs ie,

9/12 of revolution

3/4 of revolution

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