Parallel and Perpendicular Lines

作者：Lynn Miller

1. Create a line perpendicular to line f that passes through point A. 2. Create a line parallel to line f that passes through point A. 3. Measure the distance from point A to line f.

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finding centre circle
The sum of a number and its reciprocal
rette e circ
Rhombus Lab
Quadratic Function
Roots of related cubics: α+k, β+k, γ+k

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曲線描繪
多邊形
平移
加法
最佳化問題

Parallel and Perpendicular Lines

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