CBSE Board Practice

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CBSE Grade VIII - Understanding Quadrilaterals

Question 1

1.	If one of the angles of a rhombus is a right angle, it is a
	square None of these rectangle parallelogram trapezium

Question 2

2.	In rhombus GHIJ , diagonals   GI     and   HJ     intersect at K . Then ∠JGK ≠
	∠HIK ∠KIJ ∠GKJ ∠KGH

Question 3

3.	△RQN is an equilateral triangle in a square NOPQ . If OQ and NR intersect at S , then find the value of x.
	77° 76° 74° 75° 73°

Question 4

4.	In parallelogram LMNO , diagonals   MO     and   LN     intersect at P . Then ∠MNO   =
	∠LMN ∠LMP ∠OLM ∠NOP ∠NOL

Question 5

5.	In rhombus ABCD , diagonals   AC     and   BD     intersect at E . Then CE =
	BE DA DE AE

Question 6

6.	In kite OPQR ,   OQ     and   PR     are diagonals. Then △SPO ≅
	△SQR △SRO △RPQ △SQP △RPO

Question 7

7.	In parallelogram GHIJ , diagonals   HJ     and   GI     intersect at K . Then GH   =
	GI IJ HJ HI JG

Question 8

8.	Find the number of sides in a regular polygon if each exterior angle is 45°
	9 7 8 11 6

Question 9

9.	Two adjacent angles of a parallelogram are in the ratio 2 : 2 . Find the measure of each of its angles.
	A = 91° , B = 89° , C = 92° , D = 88° A = 88° , B = 92° , C = 89° , D = 91° A = 92° , B = 89° , C = 88° , D = 91° A = 90° , B = 90° , C = 90° , D = 90° A = 89° , B = 88° , C = 91° , D = 92°

Question 10

10.	In rhombus HIJK , diagonals   HJ     and   IK     intersect at L . Then ∠KHI =
	∠HIL ∠JKH ∠HIJ ∠IJK

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