Mathematics
Junior High
Solved
この問題で向かい合う辺の長さの和は等しいっていわれたんですが、どういう条件の時に長さの和が等しいとなるのでしょうか?
9 cm E
a
B
6.
A
x cm
5 cm
HY
E f
G6 cm
C
.......
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ありがとうございます!!