Q 1: Perimeter of a semicircle is 2pr.
True False

Q 2: Perimeter of a circle = (36/14)d. True False

Q 3: The angle at the center of circle is 330°.
True False

Q 4: Circumference of a circle = pd. True False

Q 5: To find area of ring, the difference between the radii is not essential. True False

Q 6: If the radii of a ring are 10cm. and 5cm. respectively, then its area is 50 Sq.cm. False True

Q 7: The semicircles of a circle are symmetric to diameter of a circle. False True

Q 8: Formula for area of ring = p(R+r)W. True False

Question 9: This question is available to subscribers only!

Question 10: This question is available to subscribers only!

