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

Here, below you all know about NCERT Solutions for Class 7 Maths Chapter 11 Perimeter and Area Ex 11.1 Question Answer. I know many of you confuse about finding this Chapter 11 Perimeter and Area Ex 11.1 Of Class 7 NCERT Solutions. So, Read the full post below and get your solutions.

TextbookNCERT
BoardCBSE
CategoryNCERT Solutions
ClassClass 7
SubjectMaths
ChapterChapter 11
Chapter NamePerimeter and Area Ex 11.1
Number of Questions Solved6
NCERT Solutions for Class 7 Maths Chapter 11 Perimeter and Area Ex 11.1

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

NCERT TEXTBOOK EXERCISES

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 m2 of the land cost ₹ 10,000.

Solution:

Here, length = 500 m, breadth = 300 m
(i) Area = length × breadth = (500 × 300) m2 = 1,50,000 m2
(ii) Cost of land at the rate of ₹ 10,000 per 1 m= ₹ (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 m2 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 m2.

Solution

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

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Class 7 Maths Chapter 11 Perimeter and Area

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