Acute angle - An angle whose value is between 0⁰ and 90⁰ is called -, Obtuse angle - An angle whose value is between 90⁰ and 180⁰ is called -, Straight angle - An angle whose value is 180⁰ is called -, Right angle - An angle whose value is 90⁰ is called -, Complementary angles - the sum of their measures is 90⁰, Supplementary angles - angles that add up to 180⁰, Vertical angles - pairs of opposite angles made by intersecting lines, Adjacent angles - angles that share a side,

Angles and Angle Relationships

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