CBSE Board Practice

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CBSE Grade IX - Quadrilaterals

Question 1

1.	In the given figure, CDEF is a parallelogram. CM and EN are perpendicular to the diagonal DF. Given ∠NEF = 31°, find ∠FDC
	59° 61° 57° 60° 58°

Question 2

2.	In rhombus KLMN , diagonals   KM     and   LN     intersect at O . Then ∠NKO ≠
	∠OMN ∠LMO ∠OKL ∠KON

Question 3

3.	BCDE is an isosceles trapezium. BQ and CQ are angular bisector of ∠B & ∠C. If ∠B = 59°, find ∠BQC
	120° 123° 122° 119° 121°

Question 4

4.	In the given figure, DEFG is a kite whose diagonals intersect at H . If ∠GDE = 114.4° and ∠EFG = 87.51° , calculate ∠HGD and ∠HEF .
	x = 32.8° , y = 46.25° x = 30.8° , y = 44.25° x = 31.8° , y = 45.25° x = 33.8° , y = 47.25° x = 34.8° , y = 48.25°

Question 5

5.	In parallelogram MNOP , diagonals   NP     and   MO     intersect at Q . Then   OP       ∥
	PM       NP       MN       MO       NO

Question 6

6.	In kite FGHI ,   FH     and   GI     are diagonals. Then ∠HIF =
	∠FIG ∠HIG ∠FGH ∠FJI ∠FJG

Question 7

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

Question 8

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

Question 9

9.	In the figure given below, CDEF is a rhombus. Find the values of x and y
	x = 54.48° , y = 54.48° x = 55.48° , y = 55.48° x = 53.48° , y = 53.48° x = 52.48° , y = 52.48° x = 51.48° , y = 51.48°

Question 10

10.	In the figure given below, JKLM is a rectangle. Find the values of x and y
	x = 40.1° , y = 49.9° x = 42.1° , y = 51.9° x = 41.1° , y = 50.9° x = 39.1° , y = 48.9° x = 38.1° , y = 47.9°

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