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Tips and Tricks: Circles (Part-1) Video Lecture | Quantitative Aptitude for SSC CGL

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FAQs on Tips and Tricks: Circles (Part-1) Video Lecture - Quantitative Aptitude for SSC CGL

1. What is the formula to calculate the circumference of a circle?
Ans. The formula to calculate the circumference of a circle is C = 2πr, where C is the circumference and r is 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 is the area and r is the radius of the circle.
3. How do you find the radius of a circle if you know the circumference?
Ans. To find the radius of a circle if you know the circumference, you can use the formula r = C / 2π, where r is the radius and C is the circumference.
4. Can you find the diameter of a circle if you know the circumference or radius?
Ans. Yes, you can find the diameter of a circle if you know the circumference or radius. The diameter is equal to twice the radius, or d = 2r. It is also equal to the circumference divided by π, or d = C / π.
5. How is the relationship between the radius, diameter, and circumference of a circle explained?
Ans. The relationship between the radius, diameter, and circumference of a circle is that the circumference is equal to π times the diameter, or C = πd. The diameter is twice the radius, or d = 2r.
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