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Overview of Circumference and Area of Circle Video Lecture - Class 7

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FAQs on Overview of Circumference and Area of Circle Video Lecture - Class 7

1. What is the formula for finding the circumference of a circle?
Ans. The formula for finding the circumference of a circle is C = 2πr, where C represents the circumference and r represents the radius of the circle.
2. How is the area of a circle calculated?
Ans. The area of a circle is calculated using the formula A = πr^2, where A represents the area and r represents the radius of the circle.
3. How do you find the circumference if only the diameter is given?
Ans. If only the diameter of a circle is given, you can find the circumference by using the formula C = πd, where C represents the circumference and d represents the diameter of the circle.
4. What is the relationship between the circumference and diameter of a circle?
Ans. The relationship between the circumference and diameter of a circle is that the circumference is equal to π times the diameter. In other words, C = πd.
5. Can the area of a circle be greater than its circumference?
Ans. No, the area of a circle cannot be greater than its circumference. The circumference represents the total distance around the circle, while the area represents the space enclosed by the circle. The circumference is always greater than or equal to the area.
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