The Rects of a Triangle's Perimeter (positive reals)

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The rectangle has the same perimeter as the triangle. Which one has more area? Change the shapes to try different triangles and rectangles. How does it affect your answer?

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CCSS IP Math I 3.1.1 Example 2
Example 2
Thales Thm
activity 2
Day 61 enough information?

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不等邊三角形
菱形
向量
3D 向量（三維）
Dilation

The Rects of a Triangle's Perimeter (positive reals)

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