NCERT Solution for Class 9, CBSE, Chapter 10, Circle, Exercise 10.1
Fill in the blanks:
(i) The centre of a circle lies in……… of the circle. (exterior/ interior)
![](https://neutronclasses.com/wp-content/uploads/2021/12/image-145.png)
(ii) A point, whose distance from the centre of a circle is greater than its radius lies in………..of the circle. (exterior/ interior)
![](https://neutronclasses.com/wp-content/uploads/2021/12/image-147.png)
(iii) The longest chord of a circle is a ………………..of the circle.
![](https://neutronclasses.com/wp-content/uploads/2021/12/image-148.png)
(iv) An arc is a ……..when its ends are the ends of a diameter.
![](https://neutronclasses.com/wp-content/uploads/2021/12/image-149.png)
(v) Segment of a circle is the region between an arc and …………of the circle.
![](https://neutronclasses.com/wp-content/uploads/2021/12/image-150.png)
(vi) A circle divides the plane, on which it lies, in………….. parts.
![](https://neutronclasses.com/wp-content/uploads/2021/12/image-151.png)
- 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.
![](https://neutronclasses.com/wp-content/uploads/2021/12/image-146.png)
(ii) A circle has only finite number of equal chords.
![](https://neutronclasses.com/wp-content/uploads/2021/12/image-152.png)
(iii) If a circle is divided into three equal arcs, each is a major arc.
![](https://neutronclasses.com/wp-content/uploads/2021/12/image-153.png)
(iv) A chord of a circle, which is twice as long as its radius, is a diameter of the circle.
![](https://neutronclasses.com/wp-content/uploads/2021/12/image-154.png)
(v) Sector is the region between the chord and its corresponding arc.
![](https://neutronclasses.com/wp-content/uploads/2021/12/image-155.png)
(vi) A circle is a plane figure.
![](https://neutronclasses.com/wp-content/uploads/2021/12/image-156.png)