CBSE Board Practice

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CBSE Grade VIII - Understanding Quadrilaterals

Question 1

1.	In rhombus DEFG , diagonals   DF     and   EG     intersect at H . Then ∠DEF =
	∠DEH ∠FGD ∠EFG ∠GDE

Question 2

2.	In parallelogram BCDE , diagonals   CE     and   BD     intersect at F . Then ∠BCD   =
	∠BCF ∠CDE ∠DEB ∠DEF ∠EBC

Question 3

3.	How many diagonals does a quadrilateral have?
	4 3 1 2 0

Question 4

4.	In rhombus GHIJ , diagonals   GI     and   HJ     intersect at K . Then △GHI ≅
	△HIJ △KGH △IJG △JGH

Question 5

5.	In kite FGHI ,   FH     and   GI     are diagonals. Then ∠JHI =
	∠FJI ∠GFJ ∠IJH ∠IFJ ∠JHG

Question 6

6.	In the adjoining figure, NOPQ is a rhombus and △RQP is an equilateral triangle. R and O are on opposite sides of  PQ. If ∠QNO = 83.49°, find the values of  x  and  y .
	x = 31° , y = 19.25° x = 32° , y = 20.25° x = 28° , y = 16.25° x = 29° , y = 17.25° x = 30° , y = 18.25°

Question 7

7.	In the adjoining figure, NOPQ is a parallelogram and RS is such that   RS     ∥   NP     If ∠NQR = 30.45° and ∠PQS = 40.36° , find the measure of ∠NOP .
	109.19° 107.19° 110.19° 111.19° 108.19°

Question 8

8.	CDEF is a rhombus in which ∠C = 133° .   DF     is the diagonal. Then △CDE is
	None of these an isosceles triangle an equilateral triangle a scalene triangle an obtuse angled triangle

Question 9

9.	In parallelogram ABCD , diagonals   BD     and   AC     intersect at E . Then DA   =
	BD CD BC AB AC

Question 10

10.	In parallelogram GHIJ , diagonals   HJ     and   GI     intersect at K . Then ∠JGH   =
	∠GHI ∠HIJ ∠GHK ∠IJK ∠IJG

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