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Examples: Area Related to Circles - 2 Video Lecture | Crash Course for UAE Grade 10

FAQs on Examples: Area Related to Circles - 2 Video Lecture - Crash Course for UAE Grade 10

1. What is the formula to find the area of a circle?

Ans. The formula to find the area of a circle is A = πr^2, where A represents the area and r represents the radius of the circle.

2. How do you find the area of a circle when only the diameter is given?

Ans. If only the diameter of the circle is given, you can find the radius by dividing the diameter by 2. Once you have the radius, you can use the formula A = πr^2 to calculate the area.

3. Can the area of a circle be negative?

Ans. No, the area of a circle cannot be negative. Area is always a positive value, representing the amount of space occupied by the circle in a 2D plane.

4. What is the difference between circumference and area of a circle?

Ans. The circumference of a circle is the distance around its boundary, while the area of a circle is the amount of space enclosed within its boundary. The circumference is measured in units of length, while the area is measured in square units.

5. How does the area of a circle change if the radius is doubled?

Ans. If the radius of a circle is doubled, the area will be quadrupled. This is because the area of a circle is proportional to the square of its radius. So, if the radius is doubled, the new area will be four times larger than the original area.

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Sep 20, 2025 Last updated

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Examples: Area Related to Circles - 2 Video Lecture | Crash Course for UAE Grade 10

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