Question 1 of 15
When the sum of the measures of two angles is 90°, the angles are called
This O level Lines and Angles Quiz 1 quiz contains 15 multiple choice questions designed to help you revise and test your O level Lines and Angles Quizzes knowledge. Select an answer for each question and click “Submit Answer” to see instant feedback. Take your time and try to score as high as possible!
In plane geometry, a line can be defined as a straight one- dimensional figure which has no thickness and it extends infinitely in both directions except when bounded by two points. A line can also be defined as the shortest distance between two points.
In plane geometry, an angle is the figure formed by two lines, called the sides of the angle and it is important to note that these lines share a common endpoint which is known as the vertex of the angle. Angles can also be formed by the intersection of two planes.
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Question 1 of 15
When the sum of the measures of two angles is 90°, the angles are called
Question 2 of 15
The measure of the complement of the angle 30° is
Question 3 of 15
Which of the following statements is true?
Question 4 of 15
The measure of the angle which is equal to its complement
Question 5 of 15
When the sum of the measures of two angles is 180°, the angles are called
Question 6 of 15
The measure of the supplement of the angle 120° is
Question 7 of 15
Which of the following statements is true?
Question 8 of 15
What is the measure of the supplement of the angle 0°?
Question 9 of 15
Which of the following statements is true?
Question 10 of 15
The angles in a linear pair are
Question 11 of 15
Which of the following statements is false?
Question 12 of 15
In the following figure, reflex ∠ AOB is equal to

Question 13 of 15
Which of the following statements is false?
Question 14 of 15
In the following figure, two straight lines AB and CD are intersecting each other at the point 0 and the angles thus formed at 0 are marked, then the value of ∠x – ∠y is

Question 15 of 15
In the following figure, a transversal cuts two parallel lines l and m at points G and H respectively and the angles thus formed are marked. If ∠ 1 is an acute angle, then, which of the following statements is false?
