착시현상 ㅇㅇ 5 24251 0 0 2021.12.09 20:50 ![479f2a666a3c946f226f97d96f5bcaf9a9a5a008.png](https://freshrimpsushi.com/community/data/editor/2112/2039935291_1639050600.5346.png "479f2a666a3c946f226f97d96f5bcaf9a9a5a008.png") 두 선분의 길이는 같다. 0 0