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Y9 Geometry Rules
- Rule 1: Adjacent angles on a straight line
- Rule 2: Angles around a point
- Rule 3: Vertically Opposite Angles
- Rule 4: Angles in a triangle
- Rule 5: Base angles of isosceles triangle
- Rule 6: Angles of an equilateral triangle
- Rule 7 : Angles in a quadrilateral
- Rule 8: Corresponding Angles on parallel lines
- Rule 9: Alternate Angles on parallel lines
- Rule 10 : Co-interior angles on parallel lines
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Y9 Geometry Rules
Anton Coltham, Aug 22, 2015
Geometry Rules for Y9 (NZ)
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1. Rule 1: Adjacent angles on a straight line
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2. Rule 2: Angles around a point
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3. Rule 3: Vertically Opposite Angles
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4. Rule 4: Angles in a triangle
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5. Rule 5: Base angles of isosceles triangle
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6. Rule 6: Angles of an equilateral triangle
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7. Rule 7 : Angles in a quadrilateral
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8. Rule 8: Corresponding Angles on parallel lines
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9. Rule 9: Alternate Angles on parallel lines
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10. Rule 10 : Co-interior angles on parallel lines
Rule 1: Adjacent angles on a straight line
Rule 1: Adjacent angles on a straight line
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