Basic Angle Relationships
<div>Interactive Complementary Angles</div> www.mathopenref.com Definition and properties of complementary angles - two angles that add to 90 degrees
<div>Definition of Angles around a point</div> www.mathsisfun.com Angles around a point will always add up to 360 degrees
<div>Interactive adjacent angles</div> www.mathopenref.com Definition and properties of adjacent angles - those that share a common leg or ray
<div>Definition of Complementary Angles</div> www.mathsisfun.com Complementary Angles
<div>Definition of adjacent angles</div> www.mathsisfun.com Illustrated definition of Adjacent Angles: Two angles that have a common side and a common vertex (corner point), and dont overlap.
www.mathsisfun.com Supplementary Angles
<div>Interactive supplementary angles</div> www.mathopenref.com Definition and properties of supplementary angles - two angles that add to 180 degrees
<div>Supplementary angles form a straight angle</div> www.mathsisfun.com Angles on a Straight Line Add to 180
<div>Interactive vertical angles</div> www.mathopenref.com Definition and properties of vertical (or opposite) angles
<div>Definition of Vertical Angles</div> www.mathsisfun.com
<div>Video of angle relationships</div> www.youtube.com http://mathispower4u.wordpress.com/

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