measure of the two angles between hour and minutes hand of the clock at 9o clock are (a) 60°,300° (b)270°,90° (c) 75°,285° (d)30°,330
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We know that, measure of complete angle of clock is 360o.
From the figure, we can say that angle at 2 = (9/12) × 360o= 270o
Then, angle at 1 = 360o – 270o
= 90o
Therefore, measures of the two angles between hour and minute hands of a clock at 9 O’ clock are 270o and 90o.
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