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Basic Angles
Foldable Angles
Term | Definition |
---|---|
Acute Angle | An angle whose measurement is less than 90 degrees |
Right Angle | An angle whose measurement is 90 degrees. |
Obtuse Angle | An angle whose measurement is between 90 and 180 degrees. |
Straight Angle | An angle whose measurement is 180 degrees. |
Sum of Angles | The two small angles add to equal the big angle. |
Supplementary Angles | Two angles that sum to equal 180 degrees. |
Complementary Angles | Two angles that sum to equal 90 degrees. |
Vertical Angles | Angles that are across and equal to each other. |
Bisected Angles | Angles that share the same vertex and are equal to each other. |