- Trending Categories
- Data Structure
- Networking
- RDBMS
- Operating System
- Java
- MS Excel
- iOS
- HTML
- CSS
- Android
- Python
- C Programming
- C++
- C#
- MongoDB
- MySQL
- Javascript
- PHP
- Physics
- Chemistry
- Biology
- Mathematics
- English
- Economics
- Psychology
- Social Studies
- Fashion Studies
- Legal Studies

- Selected Reading
- UPSC IAS Exams Notes
- Developer's Best Practices
- Questions and Answers
- Effective Resume Writing
- HR Interview Questions
- Computer Glossary
- Who is Who

# 1. From the figure, identify :

**(a)** the centre of circle

**(b)** three radii

**(c)** a diameter

**(d)** a chord

**(e)** two points in the interior

**(f)** a point in the exterior

**(g)** a sector

**(h)** a segment"

Given:

The figure of a circle is given.

To do:

We have to identify the terms from the given figure.

Solution:

(a) The centre of the circle is $O$.

(b) The three radii are $\overline{OA}, \overline{OB}$ and $\overline{OC}$.

(c) A diameter is $\overline{AC}$.

(d) A chord is $\overline{ED}$.

(e) Two points in the interior are $O$ and $P$

(f) A point in the exterior is point $Q$

(g) A sector is $AOB$(shaded region).

(h) A segment is $ED$(shaded region).

- Related Articles
- From the following figure, identify(a) Center of the circle.(b) Diameter(c) Two points inside the circle.(d) A sector(e) Three radii(f) A chord(g) Point in the exterior(h) A segment"\n
- Draw any circle and mark(a) its centre (b) a radius(c) a diameter (d) a sector(e) a segment (f) a point in its interior(g) a point in its exterior (h) an arc
- Draw any circle and mark(a) it's center(b) a radius(c) a diameter(d) a sector(e) a segment(f) a point in its interior(g) a point in its exterior(h) an arc
- 1. Fill in the blanks:(i) The centre of a circle lies in ______ of the circle. (exterior/ interior)(ii) A point, whose distance from the centre of a circle is greater than its radius lies in __________ of the circle. (exterior/ interior)(iii) The longest chord of a circle is a ________ of the circle.(iv) An arc is a ________ when its ends are the ends of a diameter.(v) Segment of a circle is the region between an arc and ________ of the circle.(vi) A circle divides the plane, on which it lies, in _________ parts.
- The diameter of a circle is a line which joins two points on the circle and also passes through the centre of the circle. In the below figure \( \mathrm{AB} \) is a diameter of the circle; \( \mathrm{C} \) is its centre. Express the diameter of the circle \( (d) \) in terms of its radius \( (r) \)."
- In the given figure, a circle with center O is given in which a diameter AB bisects the chord CD at a point E such that $CE=E D=8 cm$ and $E B=4 cm$. Find the radius of the circle."\n
- Prove that a diameter of a circle which bisects a chord of the circle also bisects the angle subtended by the chord at the centre of the circle.
- \( A B \) is a diameter and \( A C \) is a chord of a circle with centre \( O \) such that \( \angle B A C=30^{\circ} \). The tangent at \( C \) intersects \( A B \) at a point \( D \). Prove that \( B C=B D \).
- \( A B \) is a chord of a circle with centre \( O \) and radius \( 4 \mathrm{~cm} . A B \) is of length \( 4 \mathrm{~cm} \). Find the area of the sector of the circle formed by chord \( A B \).
- \( A B \) is a chord of a circle with centre \( O, A O C \) is a diameter and \( A T \) is the tangent at \( A \) as shown in the figure. Prove that \( \angle B A T=\angle A C B \)."\n
- Draw any circle and mark points \( \mathrm{A}, \mathrm{B} \) and \( \mathrm{C} \) such that(a) \( \mathrm{A} \) is on the circle.(b) \( \mathrm{B} \) is in the interior of the circle.(c) \( \mathrm{C} \) is in the exterior of the circle.
- (a) Is every diameter of a circle also a chord?(b) Is every chord of a circle also a diameter?
- Find the Diameter or Longest chord of a Circle in C++
- The three diagrams in the following figure show the lines of force (field lines) between the poles of two magnets. Identify the poles A, B, C, D, E and F."\n
- Write True or False: Give reasons for your answers.(i) Line segment joining the centre to any point on the circle is a radius of the circle.(ii) A circle has only finite number of equal chords.(iii) If a circle is divided into three equal arcs, each is a major arc.(iv) A chord of a circle, which is twice as long as its radius, is a diameter of the circle.(v) Sector is the region between the chord and its corresponding arc.(vi) A circle is a plane figure.

Advertisements