Types of Quadrilaterals

Q. In the trapezium ABCD, the measure of ∠D is __________.

[1 mark]
[NCERT - Exemplar Q27]
[Properties of a Trapezium]

1. 115°
2. 125°
3. 55°
4. 135°

Q. Identify the collinear points in the figure:

1. Vertices B and C
2. Vertices A and D
3. All of these
4. Vertices A and B

Q.

Which of the following is/are concave quadrilaterals?

1. II & IV

2. IV

3. II

4. I & III

Q. Which of the following statements are incorrect?

1. Three non-collinear points form a triangle.
2. No three vertices of a quadrilateral are collinear.
3. Any two vertices of a quadrilateral are non - collinear.
4. Four non - collinear points form a quadrilateral.

Q.

Square is a regular quadrilateral.

1. True

2. False

Q.

A quadrilateral has two of its angles as ${30}^{\circ }$ and ${40}^{\circ }$. What type of quadrilateral can it be?

1. Square

2. Trapezium

3. Rectangle

4. Parallelogram

Q.

Which among the given statements is correct?

1. Only 2
2. Only 3
3. Both 2 & 3
4. All of them

Q. Match the following with the values of 'x'.

1. 90°
2. 100°
3. 75°

Q. Find the value of a + b + c.

If a : Number of sides of quadrilateral
b : Number of angles of quadrilateral
c : Number of diagonals of quadrilateral

1. 10
2. 4
3. 6
4. 8

Q. Match the following with the values of 'x'.

1. 90°
2. 100°
3. 75°