Telangana SCERT Solution Class IX (9) Math Chapter 12 Circles Exercise 12.1
(i) A circle divides the plane on which it lies into three parts.
Sol: True, Three parts are the circle itself, inner region of circle, outer region of circle.
(ii) The region enclosed by a chord and the minor arc is minor segment.
Sol: True
(iii) The region enclosed by a chord and the major arc is major segment.
Sol: True
(iv) A diameter divides the circle into two unequal parts.
Sol: False, diameter divides the circle into two equal pasts.
(v.) A sector is the area enclosed by two radii and a chord
Sol: False.
(vi.) The longest of all chords of a circle is called a diameter.
Sol: True
(vii) The mid point of any diameter of a circle is the centre.
Sol: True