1.

There are two circles. The area of the bigger circle is 346.5 cm2. If the difference between their circumferences is 44 cm, then the sum of their radii will be: (Take \(\pi=\dfrac{22}{7}\))

A. 21 cm
B. 14 cm
C. 28 cm
D. 10.5 cm
Answer» C. 28 cm


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