7th std maths term 2 | Chapter 2 | Measurements | Exercise 2.1

Описание: 7th standard maths term 2 chapter 2 Measurements lesson Exercise 2.1 solution
00:00 1st question exercise 2.1
09:49 2nd question ex 2.1
14:13 3rd question exercise 2.1
16:14 4th question exercise 2.1
18:56 5th question exercise 2.1
22:27 6th question exercise 2.1
25:36 7th question exercise 2.1
28:49 8th question exercise 2.1
31:46 object type question 9 to 12

7th maths term 2 exercise 2.1 questions :-
1. Find the missing values in the following table for the circles with radius (r),
diameter (d) and Circumference (C)
2. Diameters of different circles are given below.Find their circumference
3. Find the circumference of the circles whose radii are given below
4. The diameter of a circular well is 4.2 m. What is its circumference?
5. The diameter of the bullock cart wheel is 1.4 m. Find the distance covered by it in 150 rotations?
6. A ground is in the form of a circle whose diameter is 350 m. An athlete makes 4 revolutions. Find the distance covered by the athlete.
7. A wire of length 1320 cm is made into circular frames of radius 7 cm each. How many frames can be made?
8. A Rose garden is in the form of circle of radius 63 m. The gardener wants to fence it at the rate of ₹150 per metre. Find the cost of fencing?
Objective type questions;-
9. Formula used to find the circumference of a circle is
10. In the formula, C = 2pr , ‘r’ refers to
11. If the circumference of a circle is 82p , then the value of ‘r’ is
12. Circumference of a circle is always