(i) Which of the following can we use to trace a circle?
(a) Cube
(b) Coins
(c) Ball
Ans: (b)
(ii) Radius is _______ the diameter of the circle.
(a) Quarter
(b) Half
(c) One third
Ans: (b)
(iii) If the diameter of a circle is 20 cm, its radius will be _______.
(a) 40 cm
(b) 10 cm
(c) 5 cm
Ans: (b)
(iv) If the radius of a circle is 2.5 cm, its diameter is _______.
(a) 5 cm
(b) 4 cm
(c) 7.5 cm
Ans: (a)
(v) A circle has _______ sides.
(a) zero
(b) One
(c) Two
Ans: (a)
(i) The line segment drawn from the centre to any point on the circle is called _______.
Ans: Radius
(ii) Line segment drawn from one point to other point on the circle through the centre is known as ____.
Ans: Diameter
(iii) Radius of a circle is _______ of diameter.
Ans: Half
(iv) The diameter divides the circle into two _______.
Ans: Equal halves
(v) If the diameter of a circle is 10cm, its radius is _______.
Ans: 5 cm
(vi) The distance around the circle is called _______ of a circle.
Ans: Circumference
(vii) The instrument which is used to draw a circle is _______.
Ans: Compass
(i) What are the things around you that you can use to trace a circle?
Ans: Bangles, Coins, Tyre, Plate, Clock …..
(ii) Lali and Kali are tied to a pole with ropes. Kali has a longer rope. Who can look for more grass to eat?
Ans: Kali can look for more grass to eat.
(iii) If the radius of a circle is 3 cm, find its diameter?
Ans: 6 cm.
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