(i) Anupam need to buy a clock which is circular would you like to help him to find one:
(a) 
(b)
(c)
(d)
Ans: (d)
(ii) What is AB called
(a) Area
(b) Radius
(c) Circumference
(d) Diameter
Ans: (b)
(iii) Which one of them can be made with the help of circle?
(a) 
(b) 
Ans: (a)
(iv) Which of them has longer radius?
(a)
(b) 
Ans: (a)
(v) Which of them has shorter radius?
(a) 
(b) 
Ans: (b)
(vi) What are the things among these which you can use to trace a circle?
(a)
(b) 
Ans: (b)
(vii) Which figure shown has divided the circle into two equal halves?
(a) 
(b)
Ans: (a)
(viii) Which among these is at the center of the circle?
(a) 
(b) 
Ans: (b)
(ix) Mala's mother asks her to go to market and bring fruits which are circular. Can you help her to find those?
(a) 
(b) 
(c)
(d)
Ans: (c)
(x) Which one of them can be made with the help of circle?
(a) 
(b) 
Ans: (a)
(i) There is a square park of 10 m length. A farmer has 4 cows, he ties each one of them to the four corners of the park. the length of rope of each cow is 2 m. Draw how much grass will they be able to graze?
Ans:
(ii) How many sides does a circle has?
Ans: None
(iii) Number the fruits by their radius (from smallest to longest) :
(a) 
(b)
(c)
(d)
Ans:
(b) = 1
(d) = 2
(c) = 3
(a) = 4
(e) = 5
(iv) Which of these top will spin?
Ans: Circle with centre B.
(v) If semi is half, semicircle will be half of a circle. Draw a semicircle.
Ans: 
(vi) In the given figure find the length of OB.
Ans:
OA = 2 cm
AB = 2 cm
OB = OA + AB
= (2 + 3) cm
= 5 cm
(vii) Draw a circle of 5 cm radius. Now using the same centre draw another circle of radius half of 5 cm, inside the first circle.
Ans:
(viii) Which among these is the radius of the circle?
Ans: (c)
(ix) Two circles are made with the help of wire, the radius the circles are 5cm and 7cm. Which one would use shorter wire?
Ans: 5 cm.
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| 4. How do cart wheels stay attached without falling off? | ![]() |
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