NT Year 11 - 13: Planar Geometry
- Adjacent Angles
- Complementary and Supplementary Angles
- Vertically Opposite Angles
- Parallel Lines
- Additional questions involving parallel lines
- Recognise and name triangles
- Special triangles
- Geometric Constructions
- Congruent triangles: Tests 1 and 2
- Congruent triangles: Tests 3 and 4
- Proofs and Congruent Triangles
- Similar Triangles
- Using Similar Triangles to Calculate Lengths
- Examples involving overlapping triangles
- The Triangle Inequality Theorem
- Midsegments
- Pythagoras' Theorem: Finding the Hypotenuse
- Using Pythagorean Triples to Identify Right Triangles
- Calculating the Hypotenuse of a right-angled Triangle
- Calculating a Leg of a right-angled Triangle
- Points, Lines and Planes
- Angles
- Angle Bisector Construction and its Properties
- Circumcenter and Incenter
- Orthocentre and Centroids
- Quadrilaterals 1
- Properties of Parallelograms - Opposite Angles Equal
- Properties of Parallelograms - Diagonals, Sides and Angles
- The Parallelogram Umbrella
- Properties of Trapezoids
- Quadrilaterals 6
- Constructions and Loci 1: Transformations
- Constructions and Loci 2
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Vectors
- Vector Addition in 2 and 3D
- Polar Coordinates - Plotting and Converting
- Converting Rectangular Coordinates to Polar Form
- Graphing Polar Functions
- Inductive and Deductive Reasoning
- Disproof of Counter Example
- Proof by Disproof of a Contradictory Statement
- Mathematical induction
- Conditional statements (converse, inverse and contrapositive) (Stage 2)
- Theorem - Equal arcs subtend equal angles at the centre
- Theorem - The perpendicular from the centre to a chord bisects the chord
- Theorem - Equal chords in a circle are equidistant from the centre
- Theorem - The angle at the centre is double the angle at the circumference
- Theorem: Angles in the same segment of a circle are equal
- Theorem: The angle of a semi-circle is a right angle
- Theorem: The opposite angles of a cyclic quadrilateral are supplementary
- Theorem - Exterior angle of cyclic quadrilateral equals interior opposite angles
- Theorem - At the point of contact a tangent is perpendicular to the radius
- Theorem: Tangents to a circle from an external point are equal
- Theorem - Angle between a tangent and chord equals angle in alternate segment
- Theorem - If the opposite angles in a quadrilateral are supplementary then the quadrilateral is cyclic.