Chapter 11 | Perimeter and Area | Class-7 DAV Secondary Mathematics

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Chapter 11 Worksheet 2 | Perimeter and Area | Class-7 DAV Secondary Mathematics

Unit 11 Worksheet 2 || Perimeter and Area

1. The Fig. 11.6 shows two paths drawn inside a rectangular field 50 m long and 35 wide. The width of each path Is 5 m. Find the area of the shaded portion.

Chapter 11 | Perimeter and Area | Class-7 DAV Secondary Mathematics

Answer 1:

Chapter 11 | Perimeter and Area | Class-7 DAV Secondary Mathematics


2. An oblong garden measures 60 m by 55 m. From the centre of each side, a path 2 metres wide goes across to the centre of the opposite side. Find the area of the paths.

Answer 2:

Chapter 11 | Perimeter and Area | Class-7 DAV Secondary Mathematics

3. A rectangular plot of land is 300 m long and 250 m broad. It has two roads, each 3 metres wide running midway within it one parallel to the length and the other parallel to the breadth. Find the area of the roads. Also, calculate the cost of constructing the roads at 50 per square metre.

Answer 3:

Chapter 11 | Perimeter and Area | Class-7 DAV Secondary Mathematics

4. A rectangular piece of ground is 45 m long and 30 m wide. It has two roads each 1 m wide, running midway within it, one parallel to the length and the other parallel to the breadth. Find the area of the roads. Also, calculate the area of the remaining ground.

Answer 4:

Chapter 11 | Perimeter and Area | Class-7 DAV Secondary Mathematics

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