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Grade 8 - Mathematics3.49 Circles Review

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 Q 1: 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 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 176 cm.2462 sq. cm.2464 sq. cm. Q 4: Radius (R) of the bigger circle of a ring is equal to __________.inner radius+widthouter radius+width Q 5: Find the area of a circle, if its circumference is 22 cm.38.5 sq. cm.37.5 sq. cm. Q 6: The radius (r) of the smaller circle of a ring is _____ than the radius (R) of the bigger circle.greaterless Question 7: This question is available to subscribers only! Question 8: This question is available to subscribers only!