a minute hand of a circular clock is 15cm. How far does the tip of the minute hand move in an hour
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7
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in 1 hr the clock will complete 1rotation here
radius of circle - 15cm
circumference of circle - 2πr
2×22/7×15 cm
30 × 22/7
- 94.2cm
in 1 hr the clock will complete 1rotation here
radius of circle - 15cm
circumference of circle - 2πr
2×22/7×15 cm
30 × 22/7
- 94.2cm
Answered by
1
94.28 c.m.
See, the minute hand is 15 cm.long. So, the distance covered by the tip of the minute hand is 2×π× r , where r is the radius and in this case it is 15 c.m. So, by calculating it we get : 2×22/7×15 = 94.28( approximately).
Hope this helped you...
See, the minute hand is 15 cm.long. So, the distance covered by the tip of the minute hand is 2×π× r , where r is the radius and in this case it is 15 c.m. So, by calculating it we get : 2×22/7×15 = 94.28( approximately).
Hope this helped you...
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