Q.1. Complete the following Table :
Figure with Dimension  Area  Perimeter 
(a) Square  .................................  ................................. 
(b) .................................  l × b
 ................................. 
(c) .................................  .................................
 
(d) Triangle  .................................  ................................. 
Ans.
Figure with Dimension  Area  Perimeter 
(a) Square  a^{2 }  ^{ } 4a 
(b)  l × b
 2(l + b) 
(c)  πr^{2 }
 
(d) Triangle  a + b + c 
Q.2. Fill up the blank : (i) 10000 m^{2 }= .......................... hectare
(ii) 1 cm^{2} = ......................... m^{2}
(iii) 1 m^{2} = ........................... cm^{2}
(iv) 1 km^{2} = .......................... m^{2}
Ans. (i) 1
(ii) 0.0001
(iii) 10000
(iv) 1000000
Q.3. The perimeter of a square park is 2000 m. Find its area.
View AnswerAns. 250000 m^{2}
Q.4. State whether the given statement are True or False:
(i) All the triangles that are equal in the area are congruent.
(ii) Al congruent triangles are equal in area.
(iii) Ratio of the circumference and the diameter of a circle is more than 3.
(iv) figure (b) has greater perimeter than figure (a)
View AnswerAns. (i) False
(ii) True
(iii) True
(iv) True
Q.5. Fill up blanks:
(i) Perimeter of a regular polygon = length of one side × ........................
(ii) The distance around a circle is its ..........................
(iii) If a wire in the shape of the square is rebent into a rectangle, then the ................... of both shapes remain the same, but ....................... may vary.
(iv)
In the figure area of the parallelogram, BCEF is .............. cm2, whereas ACDF is a rectangle.
View AnswerAns. (i) Number of sides
(ii) Circumference
(iii) Perimeter, Area
(iv) 35
Q.6. A shopkeeper sells two kinds of 'Till Patti'. A square 'Till Patti" of side 19 cm cost ₹25 and a circular 'Till Patti' of diameter 21 cm cost ₹25 which Till Patti is a better deal and why?
View Answer
Ans. Square shape till pati is a better deal because its area is more than circular shape till pati.
Q.7. Find the area of the shaded region in the following figures :
(i)
(ii)
View Answer
Ans. (i) 42cm^{2}
(ii) 425 59. unit
Q.8. The Taj Mahal was created in the 17th century by Emperor Shah Jahan to honour the memory of his beloved wife, Mumtaz Mahal. The design of the Taj Mahal is based on the number four and its multiples.
The garden at the Taj Mahal was laid out in four squares of the same size. Each square was divided into four flower beds, with 400 flowers in each bed. How many flowers were in the garden?
Ans. 6400 Flowers
76 videos345 docs39 tests

1. What is the formula for finding the perimeter of a rectangle? 
2. How do you calculate the area of a triangle? 
3. What is the difference between perimeter and area? 
4. How can I find the perimeter of a circle? 
5. How do you calculate the area of a circle? 

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