SEBA Class 9 Mathematics MCQ Chapter 8 Quadrilaterals 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 8 Quadrilaterals Notes and select need one.
SEBA Class 9 Mathematics MCQ Chapter 8 Quadrilaterals
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 8 Quadrilaterals Solutions for All Subject, You can practice these here.
Quadrilaterals
Chapter – 8
| MCQ |
1. The sum of the angles of a quadrilateral is-
(a) 360°
(b) 180°
(c) 540°
(d) 720°
Ans: (a) 360°
2. Each angle of a rectangle is,
(a) 30°
(b) 45°
(c) 60°
(d) 90°
Ans: (d) 90°
3. Each angle of an equilateral triangle is:
(a) 30°
(b) 45°
(c) 60°
(d) 90°
Ans: (c) 60°
4. The angle between the diagonals of a rhombus is:
(a) 45°
(b) 90°
(c) 30°
(d) 60°
Ans: (b) 90°
5. A quadrilateral whose all the four sides and all the four angles are equal is called a-
(a) Rectangle.
(b) Rhombus.
(c) Square.
(d) Parallelogram.
Ans. (c) Square.
6. Which of the following is not a parallelogram.
(a) Trapezium
(b) Square
(c) Rectangle
(d) Rhombus
Ans: (a) Trapezium.
7. In the given figure, ABCD is a parallelogram. If ∠ C = 65 deg , then (∠ B + ∠ D) is equal to-
(a) 180°
(b) 115°
(c) 155°
(d) 230°
Ans: (d) 230°
8. In the figure, ABCD is a rhombus. If AC-8 cm. and DB = 6 cm., then the length of:
(a) 5 cm.
(b) 4 cm.
(c) 7 cm.
(d) 3.5 cm.
Ans: (a) 5 cm.
9. The angles of a quadrilateral are in the ratio 3:4:5:6. The angles are-
(a) 27°, 36°, 45°, 54°
(b) 36°, 48°, 60°, 72°
(c) 45°, 60°, 75°, 90°
(d) 54°, 72°, 90°, 108°
Ans: (d) 54°, 72°, 90°, 108°
10. In a quadrilateral only one pair of opposite sides is parallel. It is called a:
(a) Parallelogram
(c) trapezium
(b) rhombus
(d) Square
Ans: (c) trapezium
11. In a rhombus, if the mid-points of its consecutive sides are joined then the figure so formed is a-
(a) Rhombus
(b) Rectangle
(c) Square
(d) Trapezium
Ans: (b) Rectangle
12. The consecutive angles of a parallelogram are-
(a) Equal
(b) complementary
(c) Supplementary
(d) None of these
Ans: (c) Supplementary.
13. The quadrilateral formed by joining the midpoint of the correspond sides of a square is:
(a) a square
(b) a rectangle
(c) a rhombus
(d) none of these
Ans: (a) a square.
14. If in a parallelogram diagonals bisect each other at right angle and are equal, Then it is,
(a) A square
(b) A rectangle
(c) A rhombus
(d) None of these
Ans: (a) A square
15. The quadrilateral formed by joining the midpoints of the sides of a rhombus is:
(a) a square
(b) a rectangle
(c) a rhombus
(d) a parallelogram
Ans: (b) a rectangle
16. The quadrilateral formed by joining the midpoints of the sides of a trapezium is:
(a) a square
(b) a rectangle
(c) a rhombus
(d) none of these
Ans: (d) none of these
17. In a parallelogram ABCD, if ∠C = 115°, then the measure of ∠A is:
(a) 65°
(b) 115°
(c) 90°
(d) 75°
Ans: (a) 65°
18. ABCD is a rhombus such that ∠ ADB = 50 deg , then ∠ ACB is-
(a) 40°
(b) 50°
(c) 60°
(d) 90°
Ans: (a) 40°
19. The quadrilateral formed by joining the midpoints of the sides of a trapezium is:
(a) a square
(b) a rectangle
(c) a rhombus
(d) none of these
Ans: (d) none of these
20. In a parallelogram ABCD if angle A = 100 deg , then the measure of angle D:
(a) 100°
(b) 80°
(c) 90°
(d) 60°
Ans: (b) 80°
