Angles - JSS1 Mathematics Past Questions and Answers - page 1
1
What is the measure of a straight angle?
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A
90°
B
180°
C
270°
D
360°
2
Which type of angle measures exactly 90 degrees?
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A
Acute angle
B
Obtuse angle
C
Right angle
D
Reflex angle
3
How are adjacent angles defined?
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A
They are angles that add up to 180°.
B
They are angles that share a common vertex and side.
C
They are angles that are opposite each other when intersected by a transversal.
D
They are angles that are equal in measure.
4
What are angles that lie on the same side of the transversal and between the lines it intersects called?
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A
Alternate interior angles
B
Alternate exterior angles
C
Corresponding angles
D
Vertical angles
5
How do you measure angles in degrees?
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A
By counting the number of sides
B
By using a protractor
C
By measuring the length of the sides
D
By adding up the lengths of the sides
6
Which of the following angles is smaller than a right angle?
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A
Straight angle
B
Acute angle
C
Obtuse angle
D
Acute angle
7
What is the sum of angles around a point?
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A
90°
B
180°
C
270°
D
360°
8
∠1 and ∠2 are on opposite sides of a transversal line. If ∠1 = 80°, what is the measure of ∠2?
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A
80°
B
100°
C
160°
D
180°
9
Which type of angles are formed when two lines intersect and lie on opposite sides of the transversal?
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A
Alternate angles
B
Corresponding angles
C
Vertical angles
D
Adjacent angles
10
What is the measure of a reflex angle?
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A
90°
B
180°
C
Greater than 180°
D
360°
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