Mathematics
Junior High

解き方が分かりません💦

(16) (17) X. (18) -8-

Answers

DC = BC と DE = FE で中点連結定理より BF =4、CE∥BF(中点連結定理)より∆ACEにおいてAB = BC と BG∥CE で BG =1ゆえにx=1、y=3

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