Q 1: To find area of ring, the difference between the radii is not essential. False True

Q 2: The semicircles of a circle are symmetric to diameter of a circle. False True

Q 3: Circumference of a circle = pd. True False

Q 4: If the radii of a ring are 10cm. and 5cm. respectively, then its area is 50 Sq.cm. False True

Q 5: The angle at the center of circle is 330°.
True False

Q 6: Perimeter of a semicircle is 2pr.
False True

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Question 8: This question is available to subscribers only!

