Town's Area Problem

Topic:Area

How can the town make lake? How many solutions exist? What properties do you use in order to prove that the lake is half of the original area? Write a formal proof to your solution.

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Angle Addition Postulate (V2) - Integer Solutions
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繪畫垂直線

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Forlenge sider
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Symmetry
Correlation
Scalene Triangles
Circumcircle or Circumscribed Circle
Polygons