Triangle Island Activity

Author:michaelkolessar

Move point D around the triangle and notice the different distances. Click the checkbox to find the sum of all of the sides. Change the size of the triangle by moving points A or B.

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apec
Graphing 1 + cos(θ) in Polar Coordinates
分數化百分數：練習
Tangent in Cartesian and Polar Coordinates
Special Right Triangles 30°-60°-90° and 45°-45°-90°

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Area of Sectors (Degrees)
Step 3
Parallel
Zadatak 2 kvadrat trinoma
Copy animated area