Mystery Plot Triangle

主題：幾何

Two vertices of a triangle are fixed at A(0,0) and B(-2,0). Vertex C may move anywhere in the coordinate plane. Describe the plot of the area of △ABC with respect to the triangle’s perimeter.

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CCSS IP Math I 5.1.1 Example 5
The ratio between R and r.
Congruency of Triangles
Weigh to go !
Maths A-Level Year 1

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角度
積分
全等
三角函數
坐標

Mystery Plot Triangle

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