Q 1: The radius (r) of the smaller circle of a ring is _____ than the radius (R) of the bigger circle. less greater

Q 2: Find the area of a ring whose radii are 56 cm. and 42 cm. 4,123 sq. cm. 4,312 sq. cm.

Q 3: Find the area of a circle, if its circumference is 22 cm. 37.5 sq. cm. 38.5 sq. cm.

Q 4: Find the area of a circle, if its circumference is 176 cm. 2464 sq. cm. 2462 sq. cm.

Q 5: Area of a circular park is 2464 sq. cm. Find the cost for levelling the circular path of width 1 cm. laid outside it at a cost of $1.85 per sq. cm. $331.41 $330.41

Q 6: Find area of circle, if its circumference is 66 cm. 345.6 sq. cm. 346.5 sq. cm.

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