Online Test — Lines and Angles
10 Questions • 15 min • Chapter MCQ
15:00
Question 1 of 10
easy
Half of a right angle is…
45°
90°
30°
60°
Explanation: 90 ÷ 2 = 45°.
Question 2 of 10
easy
Two lines that cross to make a square corner are…
perpendicular
parallel
curved
slanting
Explanation: Perpendicular lines meet at a right angle.
Question 3 of 10
hard
Which pair is always the same distance apart?
parallel lines
intersecting lines
perpendicular lines
rays
Explanation: Parallel lines keep a constant gap.
Question 4 of 10
medium
Two angles measure 30° and 60°. Together they make…
90°
30°
120°
180°
Explanation: 30 + 60 = 90°.
Question 5 of 10
medium
An angle of 120° is…
obtuse
acute
right
straight
Explanation: 120° is between 90° and 180°, so obtuse.
Question 6 of 10
medium
An angle and 70° together make a straight angle. The angle is…
110°
20°
90°
100°
Explanation: 180 − 70 = 110°.
Question 7 of 10
medium
The hands of a clock at 3 o'clock form a…
right angle
straight angle
acute angle
obtuse angle
Explanation: At 3:00 the hands make a 90° right angle.
Question 8 of 10
easy
An angle smaller than 90° is…
acute
obtuse
right
straight
Explanation: Acute angles are less than 90°.
Question 9 of 10
medium
A line segment has…
two end points
no end points
one end point
many end points
Explanation: A segment is part of a line with two ends.
Question 10 of 10
easy
Two lines that never meet are…
parallel
perpendicular
curved
crossing
Explanation: Parallel lines stay the same distance apart and never meet.