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Properties of Circles- Geometry, Quantitative Reasoning Video Lecture | UPSC Prelims Paper 2 CSAT - Quant, Verbal & Decision Making

67 videos|50 docs|151 tests

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Video Timeline
Video Timeline
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00:06 Definition of Circle
00:20 Area of Circle
00:26 Question 1
00:27 Circumference of Circle
00:51 Chord of the Circle
00:59 Perpendicular Bisector
01:26 Angle made by joining ends of chord with center is always Twice
02:06 Angle made by diameter at any point on circle is 90 degrees
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FAQs on Properties of Circles- Geometry, Quantitative Reasoning Video Lecture - UPSC Prelims Paper 2 CSAT - Quant, Verbal & Decision Making

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 do you find the area of a circle?
Ans. The formula for finding the area of a circle is A = πr^2, where A represents the area and r represents the radius of the circle.
3. What is the relationship between the diameter and radius of a circle?
Ans. The diameter of a circle is twice the length of its radius. In other words, if we have the radius of a circle, we can find its diameter by multiplying the radius by 2, and vice versa.
4. How can I determine the radius of a circle if I know the circumference?
Ans. To determine the radius of a circle if you know the circumference, you can use the formula r = C/2π, where r represents the radius and C represents the circumference.
5. Can a circle have a negative radius?
Ans. No, a circle cannot have a negative radius. The radius of a circle represents the distance from the center to any point on the circumference, and distance cannot be negative.
67 videos|50 docs|151 tests
Video Timeline
Video Timeline
arrow
00:06 Definition of Circle
00:20 Area of Circle
00:26 Question 1
00:27 Circumference of Circle
00:51 Chord of the Circle
00:59 Perpendicular Bisector
01:26 Angle made by joining ends of chord with center is always Twice
02:06 Angle made by diameter at any point on circle is 90 degrees
More
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