How many MCQ questions are available for Lines and Angles?

There are 67 MCQ questions available for Lines and Angles (Class 9 Mathematics) — 30 easy, 22 medium, and 15 hard.

Lines and Angles

Q: What topics are covered in Lines and Angles?

Key concepts covered: Adjacent angles, Alternate interior angles, Angle sum of triangle, Co-interior angles, Corresponding angles, Linear pair, Parallel lines, Transversal, Types of angles, Vertically opposite angles.

Class 9 · Mathematics

67 questions30 easy22 medium15 hard

Sample Questions

Q1.An angle exactly equal to 90° is called:

AAcute angle
BObtuse angle
CRight angle
DStraight angle

Q2.If angle A = 50° and angle B are vertically opposite, and angle C is adjacent to angle A forming a linear pair, what is angle C?

A50°
B130°
C140°
D90°

Q3.Two angles are supplementary if their sum is:

A90°
B180°
C360°
D270°

Q4.An angle less than 90° is called:

AObtuse angle
BRight angle
CAcute angle
DReflex angle

Q5.Two lines are perpendicular if the angle between them is:

A45°
B60°
C90°
D180°

Q6.This is a sample question to preview what you'll get in the full practice test...

A. Option one
B. Option two
C. Option three
D. Option four

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Concepts Covered

Adjacent anglesAlternate interior anglesAngle sum of triangleCo-interior anglesCorresponding anglesLinear pairParallel linesTransversalTypes of anglesVertically opposite angles

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