# Circle Solution for Class 9 EXERCISE 10.1

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## NCERT TEXTBOOK QUESTIONS Solutions

Circle For Class 9th

### EXERCISE 10.1 (Page 171)

Q1.
Fill in the blanks:
(i) The centre of a circle lies in________of the circle.
(ii) A point, whose distance from the centre of a circle is greater than its radius lies in________of the circle.
(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.

Ans: (i) interior (ii) exterior (iii) diameter (v) the chord (vi) three

(i) Line segment joining the centre to any point on the circle is a radius of the circle.
(ii) A circle has an only a 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.
Ans :

(i) True [All points on the circle are equidistant from the centre]
(ii) False [
A circle can have an in¦nite number of equal chords.]
(iii) False [
Each part will be less than a semicircle.]
(iv) True [