Copy of Triangle Exterior Angle Sum Theorem

作者：amall liakatos, GreenMaths

Move the sliders what do you notice about the exterior angle and the interior opposite angles. you can move the sliders back and drag the points to change the shape of the triangle.

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Fractales de MANDELBROT
Help: How to move C and E to A
x-2x integral 8
Lines
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角柱
百分率
菱形
內切圓
直角三角形

Copy of Triangle Exterior Angle Sum Theorem

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