NCERT Solutions for Class 9 Maths Chapter 10 Circles Ex 10.1 are part of NCERT Solutions for Class 9 Maths. Here we have given NCERT Solutions for Class 9 Maths Chapter 10 Circles Ex 10.1.

- Circles Class 9 Ex 10.1
- Circles Class 9 Ex 10.2
- Circles Class 9 Ex 10.3
- Circles Class 9 Ex 10.4
- Circles Class 9 Ex 10.5
- Circles Class 9 Ex 10.6

Board |
CBSE |

Textbook |
NCERT |

Class |
Class 9 |

Subject |
Maths |

Chapter |
Chapter 10 |

Chapter Name |
Quadrilaterals |

Exercise |
Ex 10.1 |

Number of Questions Solved |
2 |

Category |
NCERT Solutions |

## NCERT Solutions for Class 9 Maths Chapter 10 Circles Ex 10.1

Ex 10.1 Class 9 Maths Question 1.

Fill in the blanks.

- The center of a circle lies in……………… of the circle. (exterior/interior)
- A point, whose distance from the center of a circle is greater than its radius lies in…………… of the circle, (exterior/interior)
- The longest chord of a circle is a…………………… of the circle.
- An arc is a…………… when its ends are the ends of a diameter.
- Segment of a circle is the region between an arc and………………….. of the circle.
- A circle divides the plane, on which it lies, in…………………… parts.

Solution:

- The center of a circle lies in
**interior**of the circle. - A point, whose distance from the center of a circle is greater than its radius lies in
**exterior**of the circle. - The longest chord of a circle is a
**diameter**of the circle. - An arc is a
**semi-circle**when its ends are the ends of a diameter. - Segment of a circle is the region between an arc and
**chord**of the circle. - A circle divides the plane, on which it lies, in
**three**parts.

Ex 10.1 Class 9 Maths Question 2.

**Write True of False. Give reasons for your answers.**

- Line segment joining the center to any point on the circle is a radius of the circle.
- A circle has only finite number of equal chords.
- If a circle is divided into three equal arcs, each is a major arc.
- A chord of a circle, which is twice as long as its radius, is a diameter of the circle.
- Sector is the region between the chord and its corresponding arc.
- A circle is a plane figure.

Solution.

**True.**Because all points are equidistant from the center of the circle.**False.**Because the circle has infinitely many equal chords.**False.**Because all three arcs are equal, so there is no difference between the

major and minor arcs.**True.**By the definition of diameter that diameter is twice the radius.**False.**Because the sector is the region between two radii and an arc.**True.**Because the circle is a part of the plane figure.

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