CBSE Class 6 Mathematics Lines and Angles MCQs Set C

Question. What is the degree measure of a quarter turn?
(a) 90°
(b) 180°
(c) 270°
(d) 360°

Answer: A

Question. The instrument to measure an angle is a
(a) ruler
(b) protractor
(c) divider
(d) compasses

Answer: B

Question. If one angle in a straight line is 110°, what is the other angle?
(a) 90°
(b) 70°
(c) 110°
(d) 180°

Answer: B

Question. Number of lines which can be drawn from one point is
(a) 1
(b) 2
(c) infinite
(d) 5

Answer: C

Question. Two intersecting lines form how many pairs of opposite angles?
(a) 1
(b) 2
(c) 3
(d) 4

Answer: B

Question. What is a point?
(a) A line
(b) A shape
(c) A precise location
(d) A length

Answer: C

Question. Measures of the two angles between hour and minute hands of a clock at 9 0 ’clock are
(a) 60°, 300°
(b) 270°, 90°
(c) 75° , 285°
(d) 30°, 330°

Answer: B

Question. A line segment has how many endpoints?
(a) One
(b) Two
(c) Three
(d) None of the options

Answer: B

Question. A line segment has two end points and a line has _____ end points.
(a) 1
(b) 2
(c) Zero
(d) None of these

Answer: C

Question. What is a line?
(a) A portion of a ray
(b) A segment that extends endlessly in both directions
(c) A closed figure
(d) A straight line with one end

Answer: B

Question. In the given triangle ΔABC, if the bisectors of ∠ABC and ∠BCA intersect at the point O. Then the measure of ∠BOC is,
(a) 90° + ∠A
(b) 90° + ∠A2
(c) 180 – ∠A
(d) 90° – ∠A2 

Answer: B

Question. What symbol is used to represent an angle?
(a) ∠
(b) ⊥
(c) ||
(d) ⊕

Answer: A

Question. Which of these is NOT a type of angle?
(a) Acute
(b) Reflex
(c) Straight
(d) Broken

Answer: D

Question. An exterior angle of a triangle is 80°. The interior opposite angles are given in the ratio of 1 : 3, then the interior opposite angles are
(a) 30°, 90°
(b) 40°, 120°
(c) 20°, 60°
(d) 30°, 60°

Answer: C

Question. What is a common feature of perpendicular lines?
(a) They intersect at an acute angle
(b) They are parallel to each other
(c) They form right angles
(d) They do not meet

Answer: C

Question. Measures of the two angles between hour and minute hands of a clock at 9 O’ clock are
(a) 60°, 300°
(b) 270°, 90°
(c) 75°, 285°
(d) 30°, 330°

Answer: B

Question. Which angle is bigger: 90° or 75°?
(a) 75°
(b) 90°
(c) 270°
(d) 360°

Answer: B

Question. A straight angle is:
(a) 90°
(b) 120°
(c) 180°
(d) 360°

Answer: C

Question. A full rotation forms an angle of:
(a) 90°
(b) 180°
(c) 270°
(d) 360°

Answer: D

Question. What is a reflex angle?
(a) An angle greater than 180° but less than 360°
(b) An angle less than 90°
(c) A straight angle
(d) A right angle

Answer: A

Question. Which tool is used to measure angles?
(a) Ruler
(b) Compass
(c) Protractor
(d) Divider

Answer: C

Question. An angle of 1/4th of a full rotation is called a:
(a) Straight angle
(b) Reflex angle
(c) Right angle
(d) Acute angle

Answer: C

Question. Where will the hand of a clock stop if it starts at 5 and makes 14 of a revolution clockwise?
(a) 7
(b) 8
(c) 9
(d) 10

Answer: B

Question. How many degrees are there in a full circle?
(a) 180°
(b) 270°
(c) 360°
(d) 90°

Answer: C

Question. Two perpendicular lines form an angle of:
(a) 45°
(b) 90°
(c) 180°
(d) 360°

Answer: B

Question. Which of these is true about the arms of an angle?
(a) They are parallel to each other
(b) They start from the vertex
(c) They always form a right angle
(d) They never intersect

Answer: B

Question. An acute angle measures:
(a) Less than 90°
(b) 90°
(c) More than 90°
(d) 180°

Answer: A

Question. A triangle can have how many right angles?
(a) 1
(b) 2
(c) 3
(d) 0

Answer: A

Question. Which of the following angles is the measure of an obtuse angle?
(a) 60°
(b) 120°
(c) 90°
(d) 30°

Answer: B

Question. A ray has how many starting points?
(a) One
(b) Two
(c) Three
(d) None of the options

Answer: A

Question. The vertex of an angle is:
(a) The endpoint where two rays meet
(b) A point where two lines intersect
(c) A fixed point on a line segment
(d) The longest ray in an angle

Answer: A