Lines and Angles

It is a line that joins two points.

• Point

• Line Segment

• Line

• Ray

A _____ is a part of line which has an end point and extends in the other direction.

• Line

• Parallel Line

• Perpendicular Line

• Ray

A line segment that is extended on both sides is called _____.

• Line segment

• Line

• Ray

• Parallel line

How many parallel lines are shown in the figure?

• One Parallel line

• Two Parallel lines

• Three Parallel lines

• None

Which of the figures shows a perpendicular line?

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• 
• 
• 

It is an angle whose angle is 90 degree.

_____ is an angle that has less than 90 degree but more than 0 degree angle.

What type of angle is shown?

What is the vertex in the figure shown?

What are the arms in this figure?

• Line R and T

• Line SR and ST

• Line RT

• Line RS and RT