ICSE Board Practice

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ICSE Grade VIII - Quadrilaterals

Question 1

1.	Name all quadrilaterals whose adjacent angles are supplementary
	square,rectangle rectangle,rhombus square,rhombus square,parallelogram parallelogram,square,rhombus,rectangle

Question 2

2.	In kite IJKL ,   IK     and   JL     are diagonals. Then ∠MKJ =
	∠IML ∠LMK ∠JIM ∠LIM ∠MKL

Question 3

3.	The figure formed by successively joining the mid-points of the sides of a parallelogram is
	parallelogram rhombus square rectangle

Question 4

4.	In rhombus JKLM , diagonals   JL     and   KM     intersect at N . Then ∠JKL =
	∠JKN ∠KLM ∠LMJ ∠MJK

Question 5

5.	The angles of a quadrilateral BCDE are in the ratio 10 : 25 : 33 : 112. Find the measure of each angle of the quadrilateral.
	B = 21° , C = 49° , D = 68° , E = 222° B = 19° , C = 48° , D = 67° , E = 226° B = 22° , C = 49° , D = 64° , E = 225° B = 18° , C = 52° , D = 65° , E = 225° B = 20° , C = 50° , D = 66° , E = 224°

Question 6

6.	In the given figure, DEFG is a parallelogram. DF bisects ∠D & ∠F. Given DF = 15 cm and EG = 10 cm , find DE
	10.01 cm 8.01 cm 7.01 cm 11.01 cm 9.01 cm

Question 7

7.	In parallelogram JKLM , diagonals   KM     and   JL     intersect at N . Then JN   =
	KN LN MJ KL MN

Question 8

8.	In the given figure, IJKL is a parallelogram such that R is the mid-point of IJ and  IJ = 2LI. Find ∠LRK
	91° 90° 88° 89° 92°

Question 9

9.	In parallelogram LMNO , diagonals   MO     and   LN     intersect at P . Then   MN       ∥
	OL       LM       LN       MO       NO

Question 10

10.	In parallelogram EFGH , diagonals   FH     and   EG     intersect at I . Then ∠HEF   =
	∠EFI ∠GHE ∠EFG ∠FGH ∠GHI

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