Special Triangles: Going Beyond 30 – 60 – 90 and 45 – 45 – 90
Starting with the standard special triangles, the 30 – 60 – 90 and the 45 – 45 – 90, we discovered other special triangles. A special triangle is one that has angle values and side lengths that can be expressed exactly. Starting with our two standard special triangles, we applied half angle formulas to an angle from each triangle, which resulted in infinitely many different special triangles. Using the angles expressed in radians from our new special triangles, we derived other special triangles by applying addition and subtraction formulas. We also found that each third whole number angle between 3 degrees and 90 degrees is a part of a special triangle.
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Testing of Students: The Relevance of MAPS Tested Special Education Students for Teachers, Parents and School Districts Kasprowicz, Scott A. (2015)In the state of Wisconsin school districts have increasingly began to use MAPS assessment scores to measure student growth. At the same time, school districts have been introducing new teacher assessments for judging teacher ...