CBSE Board Practice

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CBSE Grade IX - Quadrilaterals

Question 1

1.	In rhombus CDEF , diagonals   CE     and   DF     intersect at G . Then ∠GEF ≠
	∠FCG ∠GCD ∠DEG ∠CGF

Question 2

2.	In the figure given below, DEFG is a rhombus. Find the values of x and y
	x = 17.92° , y = 76.08° x = 16.92° , y = 75.08° x = 13.92° , y = 72.08° x = 15.92° , y = 74.08° x = 14.92° , y = 73.08°

Question 3

3.	In the given figure, GHIJ is a parallelogram. The bisector of the angles G, H, I & J intersect at S, T, U & V to form a quadrilateral. Find ∠VST
	91° 89° 88° 92° 90°

Question 4

4.	FGHI is a rhombus in which ∠F = 120° .   GI     is the diagonal. Then △FGH is
	an obtuse angled triangle a scalene triangle an equilateral triangle None of these an isosceles triangle

Question 5

5.	Name all quadrilaterals whose opposite sides are equal
	square,parallelogram parallelogram,square,rhombus,rectangle square,rectangle square,rhombus square,kite

Question 6

6.	Every rhombus is a
	a) rectangle b) square c) triangle d) parallelogram e) trapezium
	{a,d} {b,e} {c,a,d} {d,e} {b,e,d}

Question 7

7.	Which of the following have point symmetry ?
	a) square b) trapezium c) parallelogram d) rectangle e) quadrilateral f) rhombus
	{a,c,d,f} {b,a} {e,c} {b,e,d} {b,f,a}

Question 8

8.	Identify the figure below
	square kite parallelogram circle quadrilateral

Question 9

9.	In rhombus IJKL , diagonals   IK     and   JL     intersect at M . Then ∠LMK ≠
	∠KMJ ∠JMI ∠LIJ ∠IML

Question 10

10.	In rhombus KLMN , diagonals   KM     and   LN     intersect at O . Then △KLM ≅
	△NKL △LMN △OKL △MNK

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