ICSE Board Practice

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ICSE Grade IX - Quadrilaterals

Question 1

1.	In rhombus IJKL , diagonals   IK     and   JL     intersect at M . Then △MKJ ≇
	△MIJ △MKL △MIL △LIJ

Question 2

2.	Two angles of a quadrilateral are of measure 66.87° and 117.62° respectively and the other two angles are equal. Find the measure of each of the equal angles.
	87.75° 88.75° 85.75° 89.75° 86.75°

Question 3

3.	In parallelogram FGHI , diagonals   GI     and   FH     intersect at J . Then △HIF   ≅
	△HIJ △FGJ △FGH △IFG △GHI

Question 4

4.	Name all quadrilaterals whose opposite sides are parallel
	rectangle,rhombus square,rhombus square,parallelogram square,kite parallelogram,square,rhombus,rectangle

Question 5

5.	In parallelogram JKLM , diagonals   KM     and   JL     intersect at N . Then   LM       ∥
	MJ       JL       KM       KL       JK

Question 6

6.	The diagonals do not divide the quadrilateral into congruent triangles in which figure?
	trapezium square rhombus parallelogram rectangle

Question 7

7.	In the given figure, LMNO is a rectangle whose diagonals intersect at P . Diagonal LN is produced to T and ∠MLT = 143.13° . Find the angles of △PMN .
	P = 75.74° , M = 53.13° , N = 51.13° P = 71.74° , M = 55.13° , N = 53.13° P = 73.74° , M = 51.13° , N = 55.13° P = 73.74° , M = 53.13° , N = 53.13° P = 71.74° , M = 53.13° , N = 55.13°

Question 8

8.	In parallelogram KLMN , diagonals   LN     and   KM     intersect at O . Then   KL       ∥
	MN       KM       NK       LM       LN

Question 9

9.	In the given figure, HIJK is a parallelogram. The bisector of the angles H, I, J & K intersect at P, Q, R & S to form a quadrilateral. Find ∠SPQ
	90° 88° 91° 92° 89°

Question 10

10.	In rhombus MNOP , diagonals   MO     and   NP     intersect at Q . Then △QOP ≇
	△PMN △QON △QMP △QMN

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