# Year 10 to UniversityGeometry Index

Geometry (Plane)
3 4 5 Triangle
Activity: Garden Area
Alternate Exterior Angles
Alternate Interior Angles
Angle Bisector Construction
Apothem Definition
Arc Definition
Area Calculator
Area of Circle Triangle Square Rectangle Parallelogram Trapezium Ellipse and Sector
Bisect
Center of Circle Construction
Circle
Circle Sector and Segment
Circle Theorems
Circle touching 3 Points Construction
Circumscribe a Circle on a Triangle Construction
Congruent
Congruent Triangles
Consecutive Interior Angles
Constructing A Triangle With 3 Known Sides
Corresponding Angles
Cut a line into N segments Construction
Definition of Arc Length
Definition of Chord
Definition of Compass
Definition of Congruent
Definition of Contruction (Geometry)
Definition of Isosceles Triangle
Definition of Locus
Definition of Parallel
Definition of Rectangle
Diagonals of Polygons
Double Hearts Ratio Puzzle
Equilateral Triangle OR 60 degree angle Construction
Exterior Angle
Exterior Angles of Polygons
Geometry - Reflection
Geometry Resizing
Geometry Rotation
Geometry Translation
Inscribe a Circle in a Triangle Construction
Interactive Polygons
Interactive Quadrilaterals
Interior Angles of Polygons
Kite
Line Segment Bisector Construction
Mean Proportional and the Altitude and Leg Rules
Parallel Line through a Point Construction
Parallel Lines and Pairs of Angles
Parallelogram
Parallelogram Definition
Pentagon Construction
Perimeter
Perpendicular Definition
Perpendicular to a Point NOT on a Line Construction
Perpendicular to a Point on a Line Construction
Point Symmetry
Point to Tangents on a Circle Construction
Polygons
Quadrilaterals - Square Rectangle Rhombus Trapezoid Parallelogram
Radians
Ratios
Rectangle
Reflection Symmetry
Regular Polygons - Properties
Rhombus
Rhombus Definition
Rotational Symmetry
Segment Definition
Set of All Points
Similar
Similar Definition
Similar Triangles
Square
Square Definition
Symmetry - Reflection and Rotation
Tangent
The Pentagram
Theorems about Similar Triangles
Transformations
Transversals
Trapezoid
Trapezoid Definition
Triangle Centers
Triangles - Equilateral Isosceles and Scalene
Triangles Contain 180 Degrees
Using a Ruler and Drafting Triangle
What is a Plane?
Geometry (Solid)
Activity: Investigating Solids
Activity: Soup Can
Area of Circle Triangle Square Rectangle Parallelogram Trapezium Ellipse and Sector
Cross Sections
Cuboids Rectangular Prisms and Cubes
Dihedral Angle Calculator
Equations and Formulas
Euler's Formula
Parallel and Perpendicular Lines and Planes
Perpendicular and Parallel
Platonic Solids
Platonic Solids - Why Five?
Polyhedrons
Pouring Liquid
Prisms with Examples
Pyramids
Sphere
Spinning Cone
Spinning Cube
Spinning Cylinder
Spinning Dodecahedron
Spinning Icosahedron
Spinning Octahedron
Spinning Pentagonal Pyramid
Spinning Square Pyramid
Spinning Tetrahedron
Spinning Triangular Pyramid
Surface Area Definition
Torus
Unfold the Prism Puzzle
Vertices Edges and Faces
Volume Definition
Volume of a Cuboid

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