Understanding Quadrilaterals

This is an MCQ-based quiz on Understanding Quadrilaterals.

This includes Square, Trapezium, Kite, and Rectangle.

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What is the number of sides of a triangle ?

1 2 3 4.

What is the number of vertices of a triangle ?

1 2 3 4.

What is the number of sides of a quadrilateral ?

1 2 3 4.

The sum of the measures of all the four angles of a quadrilateral is

90° 180° 360° 720°.

In the quadrilateral ABCD, the diagonals AC and BD are equal and perpendicular to each other. What type of a quadrilateral is ABCD?

A square A parallelogram A rhombus A trapezium

If ABCD is an isosceles trapezium, what is the measure of ∠C?

∠B ∠A ∠D 90°

State the name of a regular polygon of 6 sides.

pentagon hexagon heptagon none of these

The diagonal of a rectangle is 10 cm and its breadth is 6 cm. What is its length?

6 cm 5cm 8cm 4cm

Which of the following is true for the adjacent angles of a parallelogram?

They are equal to each other

They are complementary angles

They are supplementary angles

None of these.

Which one of the following is a regular quadrilateral?

Square Trapezium Kite Rectangle

The perimeter of a parallelogram whose parallel sides have lengths equal to 12 cm and 7cm is:

21cm 42 cm 19 cm 38 cm

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

∠A > ∠C ∠A = ∠C ∠A < ∠C None of the above

If ∠A and ∠B are two adjacent angles of a parallelogram. If ∠A = 70°, then ∠B = ?

70° 90° 110° 180°

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

10 cm 5 cm 15 cm 20 cm

If the angles of a four sided polygon are in the ratio 7:8:9:12, then the angles would be?

70, 80, 90, 100 70, 70, 80, 80 120, 70, 80, 100 70, 80, 90, 120

In a quadrilateral the angles are 40°,120°,10° and x. Find x.

40° 120° 190° 180°

Any right angled triangle must have how may angles in total?

Two angles Four angles One angle Three angles

What is the number of vertices of a quadrilateral ?





What is the general formula to count the sum of all the interior angles of a polygon with ‘n’ number of sides?

(n-2)* 180°




A four sided polygon has all sides equal in length, what would be the angle between two adjacent sides?

Exactly 90°

90° or any acute angle

90° or any obtuse angle

Can be any angle

Quiz/Test Summary
Title: Understanding Quadrilaterals
Questions: 20
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