https://brainly.in/question/362071631.The symbol ? is used to represent _CONGRUENT_ triangles
2.The symbol ~ is used to represent _SIMILAR triangles

https://www.math.net/similar-triangles
【 在 zxf 的大作中提到: 】
: 网上查了一下,没看到权威说法。好像正S和反S都看到过,有谁知道吗?~ or ∽
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修改:mindcontrol FROM 113.235.112.*
FROM 113.235.112.*