CBSE Class 6 Mathematics Lines and Angles MCQs Set F

Question. To draw an angle of 30 degrees, we first draw a...
(a) Circle
(b) Base ray
(c) Curve
(d) Vertex

Answer: B

Question. A semi-circle protractor is divided into how many equal parts?
(a) 360
(b) 180
(c) 90
(d) 100

Answer: B

Question. If one angle of a triangle is equal to the sum of the other two angles of the same triangle, then the triangle is said to be
(a) an isosceles triangle
(b) an obtuse-angled triangle
(c) an equilateral triangle
(d) a right triangle

Answer: D

Question. A right angle is:
(a) Less than 90°
(b) 90°
(c) More than 90° but less than 180°
(d) 180°

Answer: B

Question. When you open a door, the point where the door meets the wall is the...
(a) Arm
(b) Vertex
(c) Line
(d) Ray

Answer: B

Question. A right angle measures...
(a) 180 degrees
(b) 90 degrees
(c) 60 degrees
(d) 360 degrees

Answer: B

Question. An obtuse angle is greater than:
(a) 90°
(b) 180°
(c) 45°
(d) 30°

Answer: A

Question. Which of the following has two end points?
(a) Ray
(b) Line
(c) Line segment
(d) None of the options

Answer: C

Question. In the angle puzzle, an acute angle that becomes obtuse when multiplied by 5 is...
(a) 10 degrees
(b) 19 degrees
(c) 5 degrees
(d) 2 degrees

Answer: B

Question. When arms of an angle lie in a straight line, it is called a...
(a) Right angle
(b) Straight angle
(c) Acute angle
(d) Circle

Answer: B

Question. Which angle is used to describe half a turn?
(a) Acute
(b) Right
(c) Straight
(d) Reflex

Answer: C

Question. The measure of a straight angle is
(a) 90°
(b) 45°.
(c) 180°
(d) 60°

Answer: C

Question. If two angles match perfectly after superimposition, they are...
(a) Different
(b) Equal in size
(c) Very big
(d) Acute

Answer: B

Question. The number 360 is very useful because it can be divided by all numbers from 1 to 10 except...
(a) 2
(b) 5
(c) 7
(d) 9

Answer: C

Question. A protractor is used to draw and measure
(a) angles
(b) line segments
(c) triangle
(d) none of the options

Answer: A

Question. The angle measure for one complete revolution is
(a) 180°
(b) 360°
(c) 90°
(d) none of the options

Answer: B

Question. How many sets of numbers are on a protractor?
(a) One
(b) Two
(c) Three
(d) Zero

Answer: B

Question. What does "superimposition" help compare?
(a) Points
(b) Angles
(c) Line segments
(d) Rays

Answer: B

Question. How do we write the angle at point B formed by two lines AB and BC?
(a) ∠BCA
(b) ∠CAB
(c) ∠ABC
(d) ∠BAC

Answer: C

Question. In the angle guessing game, if correct is 49 and you guess 39, your score is...
(a) 49
(b) 39
(c) 10
(d) 88

Answer: C