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Activity Problem
In the opposite
figure, Can you
expect the locus of the heights intersection point D, while
the point C moves along the
straight line L? In other words, which curve does the point D trace,
while the point C moves along the straight line L? Make a conjecture?
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| Move the point C along the straight line L, which is parallel to the base AB, and observe the locus of the point D, then describe the curve that the point D traces. |