Angles for Lines and Triangles

What is a obtuse angle

• It is an angle which is more than 180*

• It is an angle which is less than 90*

• It is an angle which is more than 90*

• It is an angle which is exactly 90*

Name this angle.

• acute
• right
• obtuse
• none of the above

Name this angle.

• acute
• right
• obtuse
• none of the above

Name this angle.

• acute
• right
• obtuse
• none of the above

What is an "Acute" Angle?

• Angle that measures 180
• An Angle that measures 90
• An angle that measures more than 90
• An angle that measures less than 90

Lines or line segments go on forever?

• lines

• line segments

What is the term for a part of a line that has one endpoint and goes on endlessly in one direction?

• line
• line segment
• ray
• angle

What does the image show?

• a line
• a line segment
• a ray
• a point

Another name for a right angle is ___________.

• square angle
• correct angle
• 90 degree angle
• none of the above

What is this tool called and what is it used for?

• A ruler used to measure lines.
• A protractor used to measure lines.
• A ruler used to measure angles.
• A protractor used to measure angles.