Question Paper
Class / Subject: Class 9 (CBSE) · Mathematics
Chapter: Chapter 9 — Chapter 9: Circles
Time Allowed: 15 minutes
Max Marks: 6
1. The perpendicular from the centre to a chord: [1]
(A) bisects the chord
(B) doubles the chord's length
(C) has no relation to the chord
(D) is always equal to the radius
2. The longest chord of a circle is the: [1]
(A) diameter
(B) radius
(C) arc
(D) sector
3. Equal chords of a circle are: [1]
(A) equidistant from the centre
(B) always at different distances from the centre
(C) always parallel to each other
(D) always perpendicular to each other
4. The angle at the centre is: [1]
(A) twice the angle at the circumference (for the same arc)
(B) half the angle at the circumference
(C) equal to the angle at the circumference
(D) unrelated to the circumference angle
5. An angle inscribed in a semicircle is always: [1]
(A) 90°
(B) 180°
(C) 45°
(D) 60°
6. If an arc subtends 80° at the centre, it subtends at the circumference: [1]
(A) 40°
(B) 80°
(C) 160°
(D) 20°