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垂足三角形
Author:
羅驥韡 (Pegasus Roe)
如果在一個銳角三角形上內接另一個三角形，這個內接三角形的周長何時最小？
Discover Resources
TESS 2 in the canyon.
stop to recording
Combinaciones
Investigation 1 sketch 3
Interior Angles of a triangle
New Resources
translations
SSU Counterexample
DavidLaird_FerrisWheel
Radius vs. time and volume
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