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Similar Triangles

Elementary Math
Elementary Math – Advanced
Elementary Science
Pre Algebra
Algebra 1
Stories
American History

Elementary Math
Elementary Math – Advanced
Elementary Science
Pre Algebra
Algebra 1
Stories
American History

Similar Triangles

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Similarity

Proportions in Similar Triangles 4 Lessons

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0% Complete 0/4 Steps

What are similar triangles? How to write them

Example 1 – How to use the concept of similar triangles

Example 2- How to use the concept of similar triangles (Pay attention, this one is tricky)

Practice – The concept of similarity

Theorems of Triangle Similarity 4 Lessons

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What is the AAA theorem of similar triangle?

What is the SSS theorem of similar triangle?

What is the SAS theorem of similar triangle?

Practice – Use of theorems to solve triangle problems

Perimeter and Area of Similar Triangles 3 Lessons

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Ratio of perimeters of 2 similar triangles

Ratio of areas of 2 similar triangles

Practice – Solve geometric problems involving perimeter and area of similar triangles

Parallel Lines inside a Triangle 7 Lessons

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0% Complete 0/7 Steps

Parallel lines inside a triangle creates similar triangles

Side ratios with parallel lines inside a triangle – Observation 1

Side ratios with parallel lines inside a triangle – Observation 2

Side ratios with parallel lines inside a triangle – Observation 3

Side ratios with parallel lines inside a triangle – Observation 4

Side splitter theorem

Practice – Solve geometric problems involving parallel lines inside a triangle

Similarity in Right Triangle 4 Lessons

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Perpendicular from the right angle creates 3 similar triangle

Proofs of similarity in right triangle

Proof of Pythagorean theorem using similarity theorem

Practice – Solve geometric problem involving right triangle

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