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Other lessons in this series include:
This lesson will teach you how to prove that triangles are similar, using similar angles.
Have a pen, a ruler and some paper handy so that you can work through some examples with Neil.
Proving Similar Triangle (Similar Sides)
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Area of a Triangle (Using the Sine Rule) 01: Introducti...
Area of a Triangle (Using the Sine Rule) 02: Worked Exa...
Area of Composite Shapes 01: Introduction
Area of Composite Shapes 02: Worked Examples
Bearings 01: Introduction
Bearings 02: Practical Applications
Calculating Midpoints and Lengths of Lines
Calculating the Area and Perimeter 01: of a Sector
Calculating the Area and Perimeter 02: of the Shaded Ar...
Circle Theorems 01: (1 to 4)
Circle Theorems 02: (5 to 7)
Circles 01: Circumference of a Circle
Circles 02: Area of a Circle
Congruency 01: Introduction and SSS
Congruency 02: SAS
Congruency 03: ASA
Congruency 04: RHS
Cosine Rule 01: Deriving the Cosine Rule
Cosine Rule 02: Calculating Missing Sides
Cosine Rule 03: Calculating Missing Sides - Worked Exam...
Cosine Rule 04: Calculating Missing Angles
Cosine Rule 05: Calculating Missing Angles - Worked Exa...
Cosine Rule 06: Proof
Density, Mass and Volume 01: Introduction
Density, Mass and Volume 02: Calculating Mass
Density, Mass and Volume 03: Calculating Density
Exterior Angles 01: Of a Polygon
Exterior Angles 02: Of a Regular Polygon
Graphs of Trigonometry Functions 01: Sin and Cos
Graphs of Trigonometry Functions 02: Tan
Graphs of Trigonometry Functions 03: Sin Equations (Pos...
Graphs of Trigonometry Functions 04: Cos Equations (Po...
Graphs of Trigonometry Functions 05: Tan Equations (Pos...
Graphs of Trigonometry Functions 06: Sin Equations (Neg...
Graphs of Trigonometry Functions 07: Cos Equations (Neg...
Graphs of Trigonometry Functions 08: Tan Equations (Ne...
Graphs of Trigonometry Functions 09: CAST Method Equati...
Graphs of Trigonometry Functions 10: CAST Method Equati...
Metric and Imperial Conversions 01: Introduction
Metric and Imperial Conversions 02: Conversion between ...
Metric and Imperial Conversions 03: Length
Metric and Imperial Conversions 04: Weight
Metric and Imperial Conversions 05: Capacity
Metric and Imperial Conversions 06: Area and Volume
Plans and Elevations
Pythagoras' Theorem 01: Introduction
Pythagoras' Theorem 02: Calculating a Missing Side (not...
Pythagoras' Theorem 03: Worked Example (Challenging)
Pythagoras' Theorem 04: Proof
Pythagoras' Theorem 05: 3D Pythagoras and Trigonometry
Similar Figures 01: Introduction
Similar Figures 03: Proving Similar Triangle (Similar ...
Similar Figures 04: Similar Triangles - Calculating M...
Similar Figures 05: Similar Triangles - Calculating M...
Similar Figures 06: Area, Volume and Scale Factors
Similar Figures 07: Finding Area and Scale Factors
Similar Figures 08: Finding Area and Scale Factors - Wo...
Sine Rule 01: Deriving the Sine Rule
Sine Rule 02: Calculating Missing Sides
Sine Rule 03: Calculating Missing Angles
Surface Area of 3D Shapes
Surface Area of a Cube and a Cuboid
Surface Area of a Cylinder
Surface Area of a Triangular Prism
The Trapezium Rule 01: Introduction
The Trapezium Rule 02: Practical Application
Transformation of Graphs 01: Introduction
Transformation of Graphs 02: Translations Parallel to t...
Transformation of Graphs 03: Worked Examples
Transformations: Enlargements About a Point
Transformations: Enlargements About a Point Negative Sc...
Transformations: Lines of Symmetry (Introduction)
Transformations: Reflecting an Object on the x Axis and...
Transformations: Reflecting an Object where x and y Equ...
Transformations: Reflection, Order of Rotational Symmet...
Transformations: Reflection, Rotating an Object
Trigonometry 01: Introduction
Trigonometry 02: Calculating Missing Angles
Trigonometry 03: Calculating Missing Sides
Vectors 01: Introduction
Vectors 02: Worked Examples
Volume of a Frustum
Volume of a Prism
Volume of a Trapezium Faced Prism
Volume of Pyramids, Cones and Spheres