CBSE Class 6 Maths Lines and Angles (Class 6 NCERT New) Quiz 2

1. An angle less than 90° is called a/an ___.

A Obtuse angle B Right angle C Straight angle D Acute angle

2. An angle greater than 90° but less than 180° is called a/an ___.

A Acute angle B Obtuse angle C Reflex angle D Right angle

3. What is a straight angle equal to?

A 90° B 45° C 360° D 180°

4. Two lines that meet at a point are called ___.

A Parallel lines B Intersecting lines C Perpendicular lines D Curved lines

5. The common point where two rays meet to form an angle is called the ___.

A Arm B Vertex C Side D Base

6. Which instrument is used to measure an angle?

A Ruler B Compass C Protractor D Set square

7. What type of angle is formed when two lines meet at exactly 90 degrees?

A Acute angle B Straight angle C Obtuse angle D Right angle

8. Which of the following best describes an obtuse angle?

A Between 45° and 90° B Less than 45° C Greater than 180° D Between 90° and 180°

9. Using a protractor, what is the measure of an angle that points exactly halfway between 0° and 90°?

A 45° B 30° C 75° D 60°

10. Two angles are supplementary. One angle measures 110°. What is the measure of the other angle?

A 70° B 100° C 80° D 90°