CBSE Class 9 Mathematics Quiz

A quadrilateral ABCD is a parallelogram if

• AB = CD

• AB||BC

• AB = AD

If the diagonals of a quadrilateral bisect each other, then the quadrilateral must be.

• Square

• Parallelogram

• Rhombus

• Rectangle

The diagonal AC and BD of quadrilateral ABCD are equal and are perpendicular bisector of each other then quadrilateral ABCD is a

• Kite

• Square

• Trapezium

• Rectangle

The quadrilateral formed by joining the mid points of the sides of a quadrilateral ABCD taken in order, is a rectangle if

• ABCD is a parallelogram

• ABCD is a rut angle

• Diagonals AC and BD are perpendicular

• AC=BD

In the fig ABCD is a Parallelogram. The values of x and y are

• x=30, y=35

• x=45, y=30

• x=45, y=45

• x=55, y=35

In fig D is mid-point of AB and DE BC then AE is equal to

• AD

• EC

• DB

• BC

A diagonal of a parallelogram divides it into

• two congruent triangles

• two similes triangles

• two equilateral triangles

• none of these