One quarter of the cross

主題：分數

Claim: The area of the overlapped regions between the square and the cross is always one quarter of the area of the cross. Can you prove this true or false?

Try dragging the point around to see what happens.

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Example 3 - Revisited Part 2
Teorema lui Pascal.
Arithmetic Sequence Sum - סכום סדרה חשבונית
y' = xy^3 2010 #6
dilate 4

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三角函數
幾何變換
特殊點
二維向量
數

One quarter of the cross

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