Class 7 Exercise-9.2 Q-1 to 8 Chapter 9 Perimeter and Area | Class 7th Maths | NCERT CBSE

Описание: Class 7 Chapter 9 Playlist-    • Class 7 Ch-9 Perimeter and Area | Class 7 ...  
Ex-9.1 Solutions    • Class 7 Exercise-9.1 Q-1 to 4  Chapter 9 P...  

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Class: 7
Subject: Math
Chapter: Perimeter and area
Topic Name: NCERT Exercise 9.2
Questions: 1 to 8 Solutions

Solutions for Questions
Ex 9.2
1. Find the circumference of the circles with the following radius:
(a) 14 cm
(b) 28 mm
(c) 21 cm

2. Find the area of the following circles, given that:
(a) radius 14 mm
(b) diameter 49 m
(c) radius=5 cm

3. If the circumference of a circular sheet is 154 m, find its radius. Also find the area of the sheet.

4. A gardener wants to fence a circular garden of diameter 21m. Find the length of the rope he needs to purchase, if he makes 2 rounds of fence. Also find the cost of the rope, if it costs 4 per meter.

5. From a circular sheet of radius 4 cm, a circle of radius 3 cm is removed. Find the area of the remaining sheet.

6. Saima wants to put a lace on the edge of a circular table cover of diameter 1.5 m. Find the length of the lace required and also find its cost if one meter of the lace costs rs 15

7. Find the perimeter of the adjoining figure, which is a semicircle including its diameter

8. Find the cost of polishing a circular table-top of diameter 1.6 m, if the rate of polishing is 15/m².

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Class 7 Maths chapter 9 exercise 9.2 Question 7 new book
Class 7 Maths chapter 9 exercise 9.2 Question 8 new book
Class 7 Maths chapter 11 exercise 11.3 Question 1
Class 7 Maths chapter 11 exercise 11.3 Question 2
Class 7 Maths chapter 11 exercise 11.3 Question 3
Class 7 Maths chapter 11 exercise 11.3 Question 4
Class 7 Maths chapter 11 exercise 11.3 Question 5
Class 7 Maths chapter 11 exercise 11.3 Question 6
Class 7 Maths chapter 11 exercise 11.3 Question 7
Class 7 Maths chapter 11 exercise 11.3 Question 8

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