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Class 9 Mathematics: Quadrilaterals
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MCQs on quadrilaterals basics and types, quadrilateral angle sum property, quadrilateral conditions to be a parallelogram, parallelogram properties and mid point theorem.

Class 9 Mathematics: Quadrilaterals
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25 Questions

1. What are the values of x and y if ABCD is a parallelogram?
2. From the diagram given below, if P, Q and R are mid points of sides AB, BC and AC respectively, then ΔRQP is congruent to ΔBDE, ΔDAF and ΔEFC.
3. What is the value of ∠POQ if OP and OQ are angle bisectors?
4. Find the ∠POQ if PQRS is a parallelogram and PO and OQ are angle bisectors.
5. What is the value of ∠BCD if BC || AD and ∠1 : ∠2 = 1 : 2?
6. Which of the following shapes represent a rhombus?
7. Which of the following relation is correct if ABCD and CDEA are parallelogram?
8. Quadrilateral has __________ sides.
9. Find the value of x.
10. Identify the quadrilateral formed by the angle bisectors of the interior angles formed between two parallel lines.
11. Find the ration of (AB + CD)/EG if EG || AB and AB || DC and E and G are the midpoints.
12. Find the value of x if PQRS is a parallelogram.
13. At which angle do diagonals of a rhombus bisects each other?
14. From the figure find the length of AD is perimeter of parallelogram ABCD is 26cm.
15. If one of the angles of a quadrilateral is not right angle but all the sides are equal, it is called a square.
16. What is the quadrilateral formed by the angle bisectors of a parallelogram?
17. Identify the correct relation from the given options if PQRS is a parallelogram and V is midpoint of PQ.
18. If one pair of opposite sides are parallel in a quadrilateral, it is called __________
19. From the diagram below, if D and E are mid points of the lines AB and AC respectively and if DE ║ BC, then what is the relation between DE and BC?
20. Which of the following relation is correct if S is midpoint of PR?
21. From the diagram given below, if AB = BC and AD = CD then what is the given shape called?
22. If three out of four points are collinear, we get __________
23. If ABCR and PQRS are rectangles and B is the midpoint of PR, find the ratio of AC/PR.
24. From the given diagram, what can be said about ∆ADB and ∆BCD?
25. Which of the following does not form a quadrilateral?