Understanding Quadrilaterals

Which of the following is not a quadrilateral?

• Square

• Rectangle

• Triangle

• Parallelogram

Which of the following quadrilaterals has two pairs of adjacent sides equal and its diagonals intersect at 90 degrees?

• Square

• Kite

• Rhombus

• Rectangle

Which one of the following is a regular quadrilateral?

• Square

• Trapezium

• Kite

• Rectangle

If AB and CD are two parallel sides of a parallelogram, then:

• AB < CD

• AB > CD

• AB = CD

• None of these

If ∠A and ∠C are two opposite angles of a rhombus, then:

• ∠A > ∠C

• ∠A = ∠C

• ∠A < ∠C

• None of these

ABCD is a rectangle and AC & BD are its diagonals. If AC = 10 cm, then BD is:

• 10 cm

• 5 cm

• 15 cm

• 20 cm

Each of the angles of a square is:

• Acute angle

• Right angle

• Obtuse angle

• 180 degrees

The quadrilateral whose diagonals are perpendicular to each other is:

• Parallelogram

• Rectangle

• Trapezium

• Rhombus