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01 - Areas Related To Circle - Part 1 - Class 10 - Maths Video Lecture

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FAQs on 01 - Areas Related To Circle - Part 1 - Class 10 - Maths Video Lecture

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 circumference of a circle?
Ans. The circumference of a circle can be found using the formula C = 2πr, where C represents the circumference and r represents the radius of the circle.
3. Can you find the area of a circle if only the diameter is given?
Ans. Yes, the area of a circle can be found if only the diameter is given. The formula to calculate the area using the diameter is A = π(d/2)², where A represents the area and d represents the diameter of the circle.
4. What is the relationship between the radius and diameter of a circle?
Ans. The radius of a circle is half of its diameter. In other words, the diameter is twice the length of the radius.
5. How can the area of a sector of a circle be calculated?
Ans. The area of a sector of a circle can be calculated using the formula A = (θ/360)πr², where A represents the area, θ represents the central angle of the sector, and r represents the radius of the circle.
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