Q 1: If the radii of a ring are 10cm. and 5cm. respectively, then its area is 50 Sq.cm. False True

Q 2: To find the area of a ring, the two circles of that ring need not be concentric. True False

Q 3: To find area of ring, the difference between the radii is not essential. True False

Q 4: Formula for area of ring = p(R+r)W. True False

Q 5: The semicircles of a circle are symmetric to diameter of a circle. True False

Q 6: Circumference of a circle = pd. False True

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Question 8: This question is available to subscribers only!

