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The area of a circle is increased by 22 cm2 when its radius is increased by 1 cm.The original radius of the circle is(a) 6 cm (b) 3 cm (c) 4 cm (d) 3.5 cm |
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Answer» The area of a circle is increased by 22 cm2 when its radius is increased by 1 cm. The original radius of the circle is (a) 6 cm (b) 3 cm (c) 4 cm (d) 3.5 cm |
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