geometry

Draw an acute angle

draw a 90 degree angle

Draw a straight angle

An angle that is less than 90^o.

• right
• acute
• obtuse
• straight

What is a protractor?

• an angle
• something to plow a field with
• a tool used to measure angles
• a line of indefinite length extending from an end point in one direction

What are lines that never cross or meet and are the same distance apart?

• intersecting lines
• parallel lines
• perpendicular lines

What kind of lines are shown?

• parallel lines
• perpendicular lines
• straight lines
• open lines

What is the measurement of an angle called?

• Angle Vertex
• Center Mark
• Degree
• Zero Edge

Check mark ALL angles that are less then 180 degrees

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Which angle is obtuse

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