SEBA Class 9 Mathematics MCQ Chapter 10 Circle Question Answer in English Medium, Class 9 General Maths Multiple Choice Question Answer in English to each chapter is provided in the list so that you can easily browse throughout different chapters SEBA Class 9 Mathematics MCQ Chapter 10 Circle Notes and select need one.
SEBA Class 9 Mathematics MCQ Chapter 10 Circle
Also, you can read the SCERT book online in these sections Solutions by Expert Teachers as per SCERT (CBSE) Book guidelines. These solutions are part of SCERT All Subject Solutions. Here we have given Assam SEBA Class 9 Mathematics MCQ Chapter 10 Circle Solutions for All Subject, You can practice these here.
Circle
Chapter – 10
| MCQ |
1. The longest chord of a circle is called:
(a) radius
(b) diameter
(c) segment
(d) sector
Ans: (b) diameter.
2. The line segment that joins any two points on the circumference of a circle is called:
(a) Radius
(b) Chord
(c) Diameter
(d) Tangent
Ans: (b) Chord
2. The measure of the angle of a semicircle is:
(a) 60°
(b) 90°
(c) 30°
(d) 450°
Ans: (b) 90°
3. The opposite angles of a cyclic quadrilateral:
(a) complementary
(b) supplementary
(c) equal
(d) a linear pair
Ans: (b) supplementary.
4. A circle of 30 cm. diameter has a 24 cm. chord. The distance of the chord from the centre is:
(a) 15 cm.
(b) 9 cm.
(c) 12 cm.
(d) 20 cm.
Ans: (b) 9 cm.
5. The sum of the opposite angles of a cyclic quadrilateral is:
(a) 90°
(b) 180°
(c) 360°
(d) 270°
Ans: (b) 180°
6. The length of a chord which is at a distance of 4 cm. from the centre of a circle of radius 5 cm. is:
(a) 3 cm.
(b) 4 cm.
(c) 5 cm.
(d) 6 cm.
Ans: (a) 3 cm.
7. A chord of length 24 cm. of a circle is at a distance of 5. cm. from the centre. The radius of the circle is:
(a) 13 cm.
(c) 15 cm.
(b) 18 cm.
(d) 19 cm.
Ans: (a) 13 cm.
9. The length of the chord of a circle, of radius 13 cm., at a distance of 5 cm., from the centre is:
(a) 24 cm.
(c) 20 cm.
(b) 18 cm.
(d) 22 cm.
Ans: (a) 24 cm.
10. In the figure, if chords AB and CD of the circle intersect each other at right angles. Then x + y =
(a) 45°
(b) 60°
(c) 75°
(d) 90°
Ans: (d) 90°
11. In the figure, AB and CD are two equal chords of he circle with centre O, OP and OQ are perpendicular on chords AB and CD respectively. If / POQ=130°, then / APQ is:
(a) 35°
(c) 55°
(b) 65°
(d) 50°
Ans: (b) 65°
12. A chord of length 20 cm is at a distance of 9 cm from the centre of the circle. The radius of the circle is:
(a) 15 cm
(b) 17 cm
(c) 19 cm
(d) 21 cm
Ans: (b) 17 cm
13. In the figure, OA = 5 cm., AB = 6 cm. and OD is perpendicular to AB, then CD is equal to:
(a) 1 cm.
(b) 4 cm.
(c) 3cm.
(d) 2 cm.
Ans: (a) 1 cm.
14. A chord of length 40 cm is at a distance of 15 cm from the centre of the circle. The radius of the circle is:
(a) 20 cm
(b) 25 cm
(c) 30 cm
(d) 35 cm
Ans: (c) 30 cm
15. The diameter divides circle in two equal parts then each part is called as-
(a) Half circle
(b) Semi circle
(c) Major arc
(d) Minor arc
An: (b) Semi circle.
16. In the figure, if O is the centre of a circle, then the measure of angle ACB is:
(a) 80°
(b) 45°
(c) 100°
(d) 40°
Ans: (d) 40°
17. In the figure, if O is the centre of the circle, then measure of x is:
(a) 40°
(b) 80°
(c) 50°
(d) 90°
Ans: (c) 50°
18. The perpendicular from the centre of circle to a chord:
(a) intersects the chord
(b) Bisects the chord
(c) both a and b
(d) None of these
Ans: (b) Bisects the chord.
19. AB is a chord of a circle with radius ‘r’. If P is any point on the circle such that ∠ APB to, is a right angle, then AB is equal:
(a) 3г
(b) r
(c) 2г
(d) r2
Ans: (c) 2r
20. In the figure, the value of x is:
(a) 36°
(b) 18°
(c) 54°
(d) 60°
Ans: (b) 18°
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