CBSE Board Practice

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CBSE Grade IX - Quadrilaterals

Question 1

1.	In rhombus JKLM , diagonals   JL     and   KM     intersect at N . Then JN =
	KN MN LN MJ

Question 2

2.	In the adjoining figure, EFGH is a parallelogram in which ∠HEG = 29.81° , ∠GEF = 18.92° , ∠HIG = 120.4° . Calculate ∠FGE
	30.81° 31.81° 27.81° 29.81° 28.81°

Question 3

3.	The sides of the parallelogram are
	EF     ,   FG     ,   GH     ,   HE       EF     ,   FH     ,   HI     ,   IE       EG     ,   GF     ,   FH     ,   HE       EF     ,   FG     ,   GI     ,   IE       EG     ,   GH     ,   HF     ,   FE

Question 4

4.	In the adjoining figure, JKLM is a rectangle. If ∠LJK = 51.34° , find ∠KLJ
	37.66° 40.66° 39.66° 36.66° 38.66°

Question 5

5.	In rhombus ABCD , diagonals   AC     and   BD     intersect at E . Then ∠ABC =
	∠DAB ∠CDA ∠ABE ∠BCD

Question 6

6.	In kite OPQR ,   OQ     and   PR     are diagonals. Then OP =
	PQ PR RO QR OQ

Question 7

7.	Identify the figure below
	triangle kite trapezium square rectangle

Question 8

8.	In the figure given below, LMNO is a rectangle. Find the values of x and y
	x = 33.22° , y = 52.78° x = 36.22° , y = 55.78° x = 35.22° , y = 54.78° x = 37.22° , y = 56.78° x = 34.22° , y = 53.78°

Question 9

9.	In parallelogram BCDE , diagonals   CE     and   BD     intersect at F . Then   BC       ∥
	BD       EB       DE       CE       CD

Question 10

10.	In the adjoining figure, HIJK is a parallelogram in which ∠KHJ = 25.32° , ∠JHI = 31.19° , ∠KLJ = 75.82° . Calculate ∠KIJ
	50.50° 48.50° 52.50° 51.50° 49.50°

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