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प्रश्न
Angle between hand’s of a clock when it shows the time 9.45 is ______.
पर्याय
(7.5)°
(12.5)°
(17.5)°
(22.5)°
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उत्तर
Angle between hand’s of a clock when it shows the time 9.45 is (22.5)°.
Explanation:
The angle between two consecutive marks = `(360^circ)/12 = 30^circ`
The angle made hour hand in one minute = `(360^circ)/(12 xx 60) = 0.5^circ`
The angle made hour hand in 45 min = 45 × 0.5° = 22.5°
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