SSC CGL Exam  >  SSC CGL Videos  >   Tier 2 - Study Material, Online Tests, Previous Year  >  Problem set on Circles Video Lecture - SSC CGL Tier 2 - Study Material, Online Tests,

Problem set on Circles Video Lecture - SSC CGL Tier 2 - Study Material,

FAQs on Problem set on Circles Video Lecture - SSC CGL Tier 2 - Study Material, Online Tests,

1. What is a circle and how is it defined in mathematics?
Ans. A circle is a two-dimensional geometric shape that is perfectly round and is defined as the set of all points in a plane that are equidistant from a fixed center point. In mathematics, a circle is typically represented by its center coordinates and radius.
2. What is the formula to calculate the area of a circle?
Ans. The formula to calculate the area of a circle is A = πr^2, where A represents the area and r represents the radius of the circle. The value of π is approximately 3.14159.
3. How can I find the circumference of a circle if I only know its diameter?
Ans. If you only know the diameter of a circle, you can find its circumference by using the formula C = πd, where C represents the circumference and d represents the diameter. The value of π is approximately 3.14159.
4. 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 its center to any point on its boundary. Since distance cannot be negative, the radius of a circle is always a non-negative value.
5. What is the relationship between the radius and diameter of a circle?
Ans. The diameter of a circle is always twice the length of its radius. In other words, the diameter is the longest chord that can be drawn within a circle, passing through its center. Therefore, the relationship between the radius (r) and diameter (d) of a circle is given by the equation d = 2r.
Related Searches
shortcuts and tricks, MCQs, study material, Summary, Sample Paper, Online Tests, Online Tests, Online Tests, Semester Notes, Objective type Questions, Extra Questions, video lectures, ppt, Problem set on Circles Video Lecture - SSC CGL Tier 2 - Study Material, practice quizzes, past year papers, Previous Year Questions with Solutions, Free, pdf , Problem set on Circles Video Lecture - SSC CGL Tier 2 - Study Material, Problem set on Circles Video Lecture - SSC CGL Tier 2 - Study Material, Viva Questions, Exam, mock tests for examination, Important questions;