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30-60-90 triangles
Author:
Audrey McFarland
Observe why the sine function is a ratio of two sides of a right triangle. No matter how large the triangle is, the ratio remains the same.
GeoGebra
Created by Tess Mandell, Boston Arts Academy, 2014 Modified by A. McFarland
New Resources
Poorly Drawn Parallelograms
Blancmange curve (fractal)
Finding Average Rate of Change of a Function
Average Rate of Change: Graph a Function (2)
Quiz: Finding Average Rate of Change
Discover Resources
number of Triangles
Transformation exploration MD
JacquelineJourdan(medians in a triangle)
Fraction Division 2:a ÷ b(quotitive)
Percentile
Discover Topics
Histogram
Combinatorics
Trigonometry
Congruence
Statistics