Transcript Line and Angle Relationships

Line and Angle
Relationships
By: Lexie Helsell and Molly
Michels
Vertical angles
• Opposite angles
form intersecting
lines.
• Vertical angles are
congruent.
• Each angle equals
40 degrees.
Adjacent Angles
• Same vertex
• Share a common
side
• Don’t overlap!
Complementary Angles
• Two acute angles
that add up to 90
degrees.
• One angle is 40
degrees.
• The second angle
is 50 degrees.
Supplementary Angles
• The two obtuse
angles line up to
180 degrees.
• The angles don’t
have to be
together.
Real Life examples
Supplementary
Adjacent
Vertical
More Examples
References
• Math book
• http://www.mathsisfun.com/geometry/verticalangles.html
• http://www.freemathhelp.com/images/lessons/an
gles5.gif
• http://www.mathsisfun.com/geometry/images/adj
acent-angles.gif
• http://www.mathsisfun.com/geometry/compleme
ntary-angles.html
• http://www.mathsisfun.com/geometry/images/co
mplementary-angles.gif