Lines Angles Rays Points

What is a Vertex?

• Two rays.

• When two arrows go on forever.

• The place where lines or segments meet.

  (Vertices - more than one vertex)

• The middle.

A straight angle measures

• 90 degrees

• 80 degrees

• 180 degrees

• 140 degrees

What is this angle?

• Right angle

• Left angle

• Acute angle

• Obtuse angle

What is this angle?

• Right angle

• Left angle

• Acute angle

• Obtuse angle

Which of the following pairs of lines are PERPENDICULAR?

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Which of the following pairs of lines are INTERSECTING but NOT PERPENDICULAR?

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Which of the following is a POINT?

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Which of the following is a LINE SEGMENT?

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What is this angle?

• Right angle

• Left angle

• Acute angle

• Obtuse angle

What is this angle?

• Right angle

• Left angle

• Acute angle

• Obtuse angle