A clock having circular scale of 12 hours, when time changes from 7:45 to 7:47, by how many degrees the angle formed between hour hand and minute hand changes? 2 5 12 20
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the answer is 2 degree
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Answer:
12
Step-by-step explanation:
Clock is a circle. So it is a 360° object. It has 12 divisions.
So every division= 5 minutes = 360/12 = 30 degrees
every division has 5 subdivisions
every subdivisions = 1 minutes = 30/5 = 6 °
from 7.45 to 7.47 = 2 minutes = 2*6 = 12°
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