## NCERT Solutions for Class 7 Maths Chapter 9 Perimeter and Area Exercise 9.1 - FREE PDF Download

## FAQs on NCERT Solutions for Class 7 Maths Chapter 9 - Perimeter and Area Exercise 9.1

1. What is the main focus of Chapter 11 Exercise 11.2 in Class 7 Maths?

The main focus of Exercise 11.2 is to strengthen students' understanding of calculating the perimeter and area of rectangles and squares. It emphasizes practical applications of these concepts through word problems.

2. What formulas are used in Exercise 11.2 for calculating the perimeter and area of rectangles and squares?

The formulas used are:

The perimeter of a rectangle: Perimeter=2(l+b)Perimeter=2(l+b), where ll is the length and bb is the breadth.

The perimeter of a square: Perimeter=4aPerimeter=4a, where aa is the side length.

Area of a rectangle: Area=l×bArea=l×b.

Area of a square: Area=a2Area=a2.

3. Why is it important to learn about the perimeter and area of shapes?

Learning about the perimeter and area of shapes is important because these concepts are widely used in real life. They help in solving practical problems like determining the amount of material needed for construction, fencing a garden, or tiling a floor.

4. How can I apply the concepts learned in Exercise 11.2 to real-world problems?

You can apply these concepts by using the formulas to solve problems related to real-life situations. For example, you can calculate the length of fencing needed for a garden, the area of a room to be carpeted, or the amount of paint required for a wall.