Question

Fill in the blanks:
2
(ii) A point whose distance from the centre of a circle is greater than its radius lies in
EXERCISE 16.1
a) All points lying inside /outside a circle are called...
[NCERT)
points/ .... points.
circles.
of the circle.
(iv) A continuous piece of a circle is .... of the circle.
(w) The longest chord of a circle is a .... of the circle.
(vi
) An arc is a .... when its ends are the ends of a diameter.
(vii
) Segment of a circle is the region between an arc and .... of the circle.
(viii) A circle divides the plane, on which it lies, in.... parts.
2. Write the truth value (T/F) of the following with suitable reasons:
[NCERT)
(1) A circle is a plane figure.
(ü) Line segment joining the centre to any point on the circle is a radius of the circle.
(ii) If a circle is divided into three equal arcs each is a major arc.
(iv) A circle has only finite number of equal chords.
(v) A chord of a circle, which is twice as long is its radius is a diameter of the circle.
(vi) Sector is the region between the chord and its corresponding arc.
(vii) The degree measure of an arc is the complement of the central angle containing the
arc.
(vii) The degree measure of a semi-circle is 180°​

Answer 1

Step-by-step explanation:

and .... of the circle.

(viii) A circle divides the plane, on which it lies, in.... parts.

2. Write the truth value (T/F) of the following with suitable reasons:

[NCERT)

(1) A circle is a plane figure.

(ü) Line segment joining the centre to any point on the circle is a radius of the circle.

(ii) If a circle is divided into three equal arcs each is a major arc.

(iv) A circle has only finite number of equal chords.

(v) A chord of a circle, which is twice as long is its radius is a diameter of the circle.

(vi) Sector is the region between the chord and its corresponding arc.

(vii) The degree measure of an arc is the complement of the central angle containing the

arc.

(vii) The degree measure of a semi-circle is 180.

Answer 2

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The degree measure of a semi-circle is 180°

• True