Solve contextual problems involving similar triangles. SPI 0706.4.1

Links verified on 1/15/2010

1. A Mathematical Droodle - Two Triples of Similar Triangles or
2. Compass and Straightedge Construction of Similar Triangles - lesson plan from PlanetMath
3. Connecting Geometry: Similar Triangles - Similar triangles can be very useful for measuring inaccessible objects. One method of doing this is called "shadow reckoning," which this page describes
4. Indirect Measurement with Similar Triangles - this five page lesson plan describes how to use a mirror in making indirect measurements.
5. Math Open Reference: Similar Triangles - interactive triangle lesson or
6. Proof Using Similar Triangles - four examples to print and use in your classroom
7. Proportionality in Similar Triangles: A Cross-Cultural Comparison - a lesson plan from Convergence: a magazine of the Mathematical Association of America
8. Sam's Similar Shapes - learn about shapes that are different sizes but the same shape.
9. Similar Polygons - from Math for Morons Like Us
10. Similar Triangles - a 23 slide PowerPoint show which includes scaling factors
11. Similar Triangles II - a 14 slide PowerPoint show
12. Similar Triangles - explanation of the concept
13. Similar Triangles - includes the AA rule and the RAR rule plus two videos
14. Similar Triangles and Indirect Measurement - this worksheet gives a short review, an example and five practice problems
15. Similar Triangles and the Pythagorean theorem - from Dave's Short Trig Course
16. Similarity (geometry) - from Wikipedia
17. Strategies for Dealing with Similar Triangles - from Oswego City School District Regents Exam Prep Center [This expired page is brought to you by the Internet archive, the Wayback Machine.]
18. Three Similar Triangles - a math droodle or
19. Using Similar Triangles and Rectangles - in this investigation, you can use similar triangles to estimate heights and distances that are difficult to measure directly
20. Virtual Manipulative - Similar Triangles or