NCERT Solutions for Class 7 Maths Chapter 11 Perimeter and Area Ex 11.1 are part of NCERT Solutions for Class 7 Maths. Here we have given NCERT Solutions for Class 7 Maths Chapter 11 Perimeter and Area Ex 11.1.

- Perimeter and Area Class 7 Ex 11.2
- Perimeter and Area Class 7 Ex 11.3
- Perimeter and Area Class 7 Ex 11.4
- Perimeter and Area Class 7 MCQ

Board |
CBSE |

Textbook |
NCERT |

Class |
Class 7 |

Subject |
Maths |

Chapter |
Chapter 11 |

Chapter Name |
Perimeter and Area |

Exercise |
Ex 11.1 |

Number of Questions Solved |
8 |

Category |
NCERT Solutions |

## NCERT Solutions for Class 7 Maths Chapter 11 Perimeter and Area Ex 11.1

**Question 1.**

The length and the breadth of a rectangular piece of land is 500 m and 300 m respectively. Find

**(i)** its area

**(ii)** the cost of the land, if 1 m^{2} of the land cost ₹ 10,000.

**Solution:
**

Here, length = 500 m, breadth = 300 m

(i) Area = length × breadth = (500 × 300) m

^{2}= 1,50,000 m

^{2 }(ii) Cost of land at the rate of ₹ 10,000 per 1 m

^{2 }= ₹ (10,000 × 1,50,000) = ₹ 1,50,00,00,000.

**Question 2.**

Find the area of a square park whose perimeter is 320 m.

**Solution:
**

**Question 3.**

Find the breadth of a rectangular plot of land, if its area is 440 m^{2} and the length is 22 m. Also, find its perimeter.

**Solution:
**

**Question 4.**

The perimeter of a rectangular sheet is 100 cm. If the length is 35 cm, find its breadth. Also find the area.

**Solution:
**

**Question 5.**

The area of a square park is the same as a rectangular park. If the side of the square park is 60 m and the length of the rectangular park is 90 m, find the breadth of the rectangular park.

**Solution:
**

Hence, the breadth of the rectangular park is 40 m.

**Question 6.**

A wire is in the shape of a rectangle. Its length is 40 cm and breadth is 22 cm. If the same wire is rebent in the shape of a square, what will be the measure of each side? Also, find which shape encloses more area?

**Solution:
**

**Question 7.**

The perimeter of a rectangle is 130 cm. If the breadth of the rectangle is 30 cm, find its length. Also, find the area of the rectangle.

**Solution:
**

**Question 8.**

A door of length 2 m and breadth 1 m is fitted in a wall. The length of the wall is 4.5 m and the breadth is 3.6 m (figure). Find the cost of whitewashing the wall, if the rate of whitewashing the wall is ₹ 20 per m^{2}.

**Solution:
**

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