Angle Characteristics
This angle has exactly 90°
Right Angle
A line extends in two directions and does not stop
Line
Ray
A slice of pizza is an example of which angle?
Acute
Find me something in the classroom that has an acute angle.
An angle with less than 90°
This angle has a degree less than 90°
Acute
Two lines that run next to each other and keep an equal distance
Parallel Lines
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A pencil is an example of which type of line?
Line segment
Find me something in the classroom that has exactly 90° (right angle)
An angle that is exactly 90° (right angle)
This angle has a degree greater than 90°
Obtuse
Two lines that intersect each other at a 90° angle
Perpendicular Lines
A line with two endpoints
Line Segment
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Find me something that is an example of intersecting lines
Two lines that intersect each other at any angle
How can you always tell if an angle is 90°? What shape does the vertex make?
A square
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What is the difference between a line segment, a line, and a ray?
Line segment = has two endpoints
Line = extends in two directions and does not stop
Ray = has 1 starting point and the other end does not stop
A railroad track is an example of which type of line?
Parallel lines
Find me something that is an example of a line segment
A line with two endpoints
Tell me the 3 types of angles and their characteristics
Acute = an angle less than 90°
Right = an angle that is exactly 90°
Obtuse = an angle that is greater than 90°
Two lines that intersect each other at any angle
Intersecting Lines
Slow and steady wins the race. 0 points.
Scissors are an example of which type of line?
Intersecting lines
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