NCERT Solutions For Class 8 Chapter 11, Mensuration, Exercise 11.1

Class 8, Maths, Chapter 11, Exercise 11.1 Solutions

Q.1. A square and a rectangular field with measurements as given in the figure have the same perimeter. Which field has a larger area?

NCERT Solutions For Class 8 Chapter 11, Mensuration, Ex.11.1 Q.1

Q.2. Mrs. Kaushik has a square plot with the measurement as shown in the figure. She wants to construct a house in the middle of the plot. A garden is developed around the house. Find the total cost of developing a garden around the house at the rate of 55 per m2.

NCERT Solutions For Class 8 Chapter 11, Mensuration, Ex.11.1 Q.2

Q.3. The shape of a garden is rectangular in the middle and semi circular at the ends as shown in the diagram. Find the area and the perimeter of this garden [Length of rectangle is 20 – (3.5 + 3.5) metres].

NCERT Solutions For Class 8 Chapter 11, Mensuration, Ex.11.1 Q.3

Q.4. A flooring tile has the shape of a parallelogram whose base is 24 cm and the corresponding height is 10 cm. How many such tiles are required to cover a floor of area 1080 m2? (If required you can split the tiles in whatever way you want to fill up the corners).

NCERT Solutions For Class 8 Chapter 11, Mensuration, Ex.11.1 Q.4

Q.5. An ant is moving around a few food pieces of different shapes scattered on the floor. For which food-piece would the ant have to take a longer round? Remember, circumference of a circle can be obtained by using the expression c = 2πr, where r is the radius of the circle. 

NCERT Solutions For Class 8 Chapter 11, Mensuration, Ex.11.1 Q.5

NCERT Solutions For Class 8 Maths Chapter 11, Mensuration (All Exercises)