CBSE Class 9 Mathematics Revision Assignments Set A

1. If the point (2,-3) lies on the graph of the linear equation 5x− ky = 1, then the value of k is

a) 3

b) -3

c) -4

d) -9

2. Passing through the point (−3,5)

a) One and only one line can be drawn

b) Two and only two lines can be drawn

c) Only a finite number of lines can be drawn

d) Infinitely many lines can be drawn

3. If the angles of a quadrilateral ABCD taken in order are in the ratio 4:6:7:3, then ABCD is a

a) Kite

b) rhombus

c) trapezium

d) parallelogram

4. In the adjoining figure, the diagonals AC and BD of a rhombus ABCD intersect at O. P and Q are mid-points of OA and OB respectively. If AC = 8 cm and BD = 6 cm, then the length of PQ is

a) 3 cm

b) 4 cm

c) 5 cm

d) 2.5 cm

5. In the adjoining figure, ABCD and APQR are two parallelograms of equal area. Prove that DP is parallel to QC.

6. If two equal chords of a circle intersect within the circle, prove that the segments of one chord are equal to corresponding segments of the other chord.

7. If diagonals of a cyclic quadrilateral are diameters of the circle through the vertices of the quadrilateral, prove that it is a rectangle.

8. Construct a right triangle whose base is 4.5 cm and sum of its hypotenuse and other side is 7.5 cm.

9. Prove that the quadrilateral formed (if possible) by the internal angle bisectors of any quadrilateral is cyclic.

10. In any triangle ABC, if the angle bisector of ∠A and perpendicular bisector of BC intersect, prove that they intersect on the circumcircle of the triangle ABC

Click on link below to download CBSE Class 9 Mathematics Revision Assignments Set A