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Similar Triangles & Ratios
Can you determine if 2 triangles are similar? Can you find the length of an altitude extending from the vertex to the hyponeuse of a right triangle? These subjects, proportions, and similar triangle examples are in the following notes.
Click lower right to select (larger) image.
Right click to view or save to desktop.
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Download Free Complete Similar Triangles & Ratios .pdf file
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One More Question:
What is the length of segment CD?
(ABC is a right triangle, and angles ABD and CBD are congruent.)
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Connections
Similar Triangle and online geometry questions from thatquiz.org
Triangle Similarity and Geometry exercises, tutorials, and video from mathwarehouse.com
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Information
- Arithmetic vs. Geometric Mean
- Similarity Theorems
- Angle-Angle (AA)
- Side-Side-Side (SSS)
- Side-Angle-Side (SAS)
- shadow word problems
- Angle Bisector Theorem
- Side-Splitter Theorem
- Means Extremes examples
- Midsegment applications
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Solving "Similar Triangle Ratio" Problems
1) Draw Picture
2) Split Triangles
3) Solve Proportion
4) Check Answer
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Math Plane sketch #73 - "My Fair (Math) Lady" 2-22-13 (click lower right corner to view)
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<--- Exercises
<--- Solutions
