CBSE Board Practice

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CBSE Grade IX - Quadrilaterals

Question 1

1.	In kite MNOP ,   MO     and   NP     are diagonals. Then △ONM ≅
	△OPM △PNO △QON △PNM △QPM

Question 2

2.	In parallelogram ABCD , diagonals   BD     and   AC     intersect at E . Then △CDA   ≅
	△BCD △DAB △CDE △ABE △ABC

Question 3

3.	Sum of the interior angles in a quadrilateral is
	375° 390° 360° 365° 370°

Question 4

4.	In the given figure, l, m & n are three straight lines such that AF ∥ BE ∥ CD and DP ∥ EQ ∥ FR.Given b = 8.33 cm, y = 12 cm and a = 10 cm, find 'x'
	8.00 cm 11.00 cm 9.00 cm 10.00 cm 12.00 cm

Question 5

5.	Which of the following properties apply for a trapezium ?
	Adjacent angles are supplementary Diagonals are perpendicular to each other Both adjacent angles are obtuse One pair of opposite sides are parallel Diagonals bisect each other

Question 6

6.	In rhombus OPQR , diagonals   OQ     and   PR     intersect at S . Then RO ≠
	PQ QR PR OP

Question 7

7.	In parallelogram OPQR , diagonals   PR     and   OQ     intersect at S . Then QS   =
	OS PQ RO RS PS

Question 8

8.	In the adjoining figure, equilateral  △FEG surmounts square  CDEF. If  EGD = x°, find the value of x.
	14° 15° 13° 16° 17°

Question 9

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

Question 10

10.	In rhombus FGHI , diagonals   FH     and   GI     intersect at J . Then GJ =
	IJ HJ IF FJ

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