Circles

Question 1

Circle definition

Answer 1

Collection of all points in a plane, which are at a equal distance from a fixed point in that plane is called a circle.

Question 2

Circular region is made up by the

Answer 2

Circle and it’s interior region.

Question 3

Chord definition

Answer 3

Line segment joining 2 points on the circle.

Question 4

Arc definition

Answer 4

Piece of a circle btw 2 points.

Question 5

If a circle has 2 points on it (P and Q), then the minor arc is

Answer 5

PQ

Unless not stated, it would not be considered as a major arc.

Question 6

Segment of the circular region

Answer 6

Part of the circular btw a chord and either of its arc.

Question 7

Sector

Answer 7

The region between an arc and the 2 bounding radii is called sector.

Question 8

Chord vs Secant

Answer 8

Chord : line segment

Secant : line

Question 9

Secant

Answer 9

A line which intersects a circle at any 2 distinct points.

Question 10

Diameter definition

Answer 10

Chord of a circle passing through its centre.

Question 11

Two circles are said to be congruent, if they have

Answer 11

The same radius.

Question 12

Circle consists of 3 regions

Answer 12

Exterior
On the circle
Interior