This quiz works best with JavaScript enabled. Home > Class 9 > Class 9 Maths Chapter 8 Quadrilaterals – Quiz 1 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 9 Maths Chapter 8 Quadrilaterals Quiz 1 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. The quadrilateral whose all its sides are equal and angles are equal to 90 degrees, it is called: A) Rectangle. B) Square. C) Rhombus. D) None. Show Answer Correct Answer: B) Square. 2. If the angles of a quadrilateral are in the ratio 4:7:9:10, the sum of measures of the smallest and the largest angles is A) 140. B) 150. C) 168. D) 180. Show Answer Correct Answer: C) 168. 3. In a parallelogram ABCD, if angle DAB = 75 degree and angle DBC = 60 degree, then angle BDC = A) 60 degree. B) 45 degree. C) 75 degree. D) 55 degree. Show Answer Correct Answer: B) 45 degree. 4. The angles of a quadrilateral are in a ratio 3:4:5:6. Find the measure of angles A) 60, 80, 100, 120. B) 120, 80, 40, 60. C) 80, 100, 120, 60. D) 120, 100, 60, 80. Show Answer Correct Answer: A) 60, 80, 100, 120. 5. In a parallelogram, the sum of two consecutive angles is A) 60. B) 180. C) 90. D) 360. Show Answer Correct Answer: B) 180. 6. A quadrilateral with only one pair of opposite sides parallel is called: A) Trapezium. B) Rhombus. C) Square. D) None. Show Answer Correct Answer: A) Trapezium. 7. In parallelogram MASK, if MA=20 cm, what is the measure of side SK A) 20 cm. B) 15 cm. C) 10 cm. D) 18 cm. Show Answer Correct Answer: A) 20 cm. 8. A ..... is a quadrilateral with two sets or parallel sides and 4 congruent (equal) sides. A) Trapezoid. B) Rhombus. C) Parallelogram. D) Rectangle. Show Answer Correct Answer: B) Rhombus. 9. Which statement is true about trapezoids? A) All trapezoids are quadrilaterals. B) All quadrilaterals are trapezoids. C) All trapezoids are rectangles. D) All trapezoids are squares. Show Answer Correct Answer: A) All trapezoids are quadrilaterals. 10. The bisectors of any two adjacent angles of a parallelogram intersect at A) 60 degrees. B) 90 degrees. C) 30 degrees. D) 45 degrees. Show Answer Correct Answer: B) 90 degrees. 11. In a parallelogram ABCD, if angle B = 135 degree, determine the measure of other angles A) Angle A = 135 degree, angle C = 45 degree, angle D = 45 degree. B) Angle A = 135 degree, angle C = 45 degree, angle D = 135 degree. C) Angle A = 45 degree, angle C = 45 degree, angle D = 135 degree. D) Angle A = 45 degree, angle C = 135 degree, angle D = 45 degree. Show Answer Correct Answer: C) Angle A = 45 degree, angle C = 45 degree, angle D = 135 degree. 12. Which quadrilateral is also considered a rhombus, rectangle, and parallelogram? A) Trapezoid. B) Triangle. C) Square. D) Hexagon. Show Answer Correct Answer: C) Square. 13. The legs of an isosceles trapezoid are ..... A) Parallel. B) Perpendicular. C) Congruent. D) Skew. Show Answer Correct Answer: C) Congruent. 14. If the diagonals of parallelogram are equal then it is a- A) Rhombus. B) Rectangle. C) Square. D) Kite. Show Answer Correct Answer: B) Rectangle. 15. Which of the following is not True for a parallelogram? A) Opposite sides are equal. B) Opposite angles are equal. C) Opposite angles are bisected by the diagonals. D) Diagonals bisect each other. Show Answer Correct Answer: C) Opposite angles are bisected by the diagonals. 16. Which of the following properties is true about squares? A) Four congruent sides. B) Exactly one diagonal bisects a pair of opposite angles. C) Exactly one pair of parallel sides. D) None of the above. Show Answer Correct Answer: A) Four congruent sides. 17. In a Quadrilateral ABCD, AB = BC and CD = DA, then the quadrilateral is ..... A) Parallelogram. B) Rhombus. C) Kite. D) Trapezium. Show Answer Correct Answer: C) Kite. 18. All the angles of a convex quadrilateral are equal. However, not all its sides are congruent. What type of quadrilateral is it? A) Trapezium. B) Parallelogram. C) Rectangle. D) Square. Show Answer Correct Answer: C) Rectangle. 19. Say 'TRUE' or 'FALSE'All the four angles of quadrilateral may be obtuse A) TRUE. B) FALSE. C) All the above. D) None of the above. Show Answer Correct Answer: B) FALSE. 20. YZW and XYZ are ..... angles. A) Opposite. B) Adjacent. C) Both. D) None of the above. Show Answer Correct Answer: B) Adjacent. 21. In parallelogram VASE, what is the opposite of angle V? A) Angle A. B) Angle S. C) Angle E. D) Angle O. Show Answer Correct Answer: B) Angle S. 22. If in a parallelogram its diagonals bisect each other at right angles and are equal, then it is a A) Square. B) Rectangle. C) Rhombus. D) Parallelogram. Show Answer Correct Answer: A) Square. 23. Which two figures can always be described as quadrilaterals with all sides congruent? A) Square and rhombus. B) Square and rectangle. C) Rhombus and parallelogram. D) Rectangle and parallelogram. Show Answer Correct Answer: A) Square and rhombus. 24. In rectangle ABCD, AE = 3x + y, EC = 2x + y + 7 and DE = 2y + 3x-1. Find the values of x and y. A) X = 7; y = 1. B) X = 7;y =-1. C) X = 2;y = 6.5. D) X = 4;y =-3.5. Show Answer Correct Answer: A) X = 7; y = 1. 25. The bisectors of any two adjacent angles of a || gm intersect at A) 30$^\circ$. B) 45$^\circ$. C) 60$^\circ$. D) 90$^\circ$. Show Answer Correct Answer: D) 90$^\circ$. 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