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Download Year 7 GEOMETRY: Student Summary Types of Angles Acute
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Transcript
Year 7 GEOMETRY: Student Summary Types of Angles Acute: angles less than 90 degrees Right Obtuse Naming Angles Measuring Angles (Steps) Reflex Angles: Straight: Reflex: Revolution: Constructing / Drawing Angles (Steps) Types of Triangles Equilateral Acute -‐3 equal sides -‐3 equal angles Isosceles Obtuse Naming Triangles Angle Rules Complementary Angles Supplementary Angles e.g. Vertically Opposite Angles e.g. Angles in a Triangle Examples: e.g. Angles Around a Point e.g. Exterior Angles in a Triangle Example: Angles in Quadrilaterals Example: EXTENSION: Angles related to Parallel Lines and Transversals Corresponding Angles Alternate Angles Co-‐Interior Angles Angle Rule for Polygon with ‘n’ sides Sum of Interior Angles = (n – 2) * 180 Examples:
