## Chapter 10 Circles Exercise 10.1

Question 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.

i) Interior
ii) Exterior
iii) Diameter
iv) Semicircle
v) Chord
vi) 3

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.