Lines and Angle

• acute angle

• straight angle

• obtuse angle

• right angle

Which two lines show to be parallel lines?

• line t and n

• line m and n

• lines m and t

• all of the above

• F

• G

• H

• J

• F

• G

• H

• J

and are __.

• Alternate Interior Angles

• Alternate Exterior Angles

• Same-side Interior Angles

• Corresponding Angles

• None of these

and are ___.

• Alternate Interior Angles

• Alternate Exterior Angles

• Same-side Interior Angles

• Corresponding Angles

• None of these

and are ___.

• Alternate Interior Angles

• Alternate Exterior Angles

• Same-side Interior Angles

• Corresponding Angles

• None of these

• 55^o alternate
• 55^o corresponding
• 125^o alternate
• 125^o corresponding

What is a transversal?

• A line that intersects two or more lines

• The angles opposite of each other when two lines cross

• Two angles whose sum measures 180 degrees

• Lines that intersect to form a 90 degree angle

Find the missing angle.  Find x.

• 20^o

• 70^o

• 160^o

• 180^o