Class 7 Exam > Class 7 Videos > What is the Area of a Circle?
What is the Area of a Circle? Video Lecture - Class 7
FAQs on What is the Area of a Circle? Video Lecture - Class 7
| 1. What is the formula to calculate the area of a circle? |  |
Ans. The formula to calculate the area of a circle is A = πr², where A represents the area and r represents the radius of the circle.
| 2. How do you find the radius of a circle if you know its area? | |
Ans. To find the radius of a circle if you know its area, you can use the formula r = √(A/π), where r represents the radius and A represents the area of the circle.
| 3. Is the area of a circle always equal to its circumference? | |
Ans. No, the area of a circle is not always equal to its circumference. The area of a circle is the measure of the region enclosed by the circle, while the circumference is the distance around the circle.
| 4. Can the area of a circle be negative? | |
Ans. No, the area of a circle cannot be negative. The area is a measure of the space enclosed by the circle, and it is always a positive value or zero.
| 5. How can I use the area of a circle in real-life situations? | |
Ans. The area of a circle can be used in various real-life situations. For example, it can help in calculating the amount of material needed for a circular tablecloth, the space required for a circular garden, or the amount of paint needed to cover a circular wall.
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Nov 23, 2024 Last updated |
What is the Area of a Circle? for Class 72024 is part of Class 7 preparation. The notes and questions for What is the Area of a Circle?
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