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If the difference between the circumference and the radius of a circle is 37cm ,π=22/7, the circumference (in cm) of the circle is(a) 154(b) 44(c) 14(d) 7 |
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Answer» Correct answer is: (b) 44 2πr- r=37 r(2\(\times \cfrac{22}{7}\)-1)=37 r=37x7/37 r=7 circumference= 2\(\times \cfrac{22}{7}\) x7=44cm |
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