Mathematics
Senior High
この問題を図で表すとこうなりますよね!?
=ABがよく分からないです。教えて頂きたいです🙇🏻♀️
消形が4枚くっついてる.
*94 正四面体の3つの頂点がA(0, 1, 2), B2, 3, 2), (0, 3, 0) のとき,
第4の頂点Dの座標を求めよ。
C
B.
AD = B D = C D = A B
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