Ответ:
подобны
AB : A1B1 =21 : 28= 3:4
BC : B1C1 = 18:24 = 3:4
CA : C1A1 = 24:32 = 3:4
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Answers & Comments
Ответ:
подобны
AB : A1B1 =21 : 28= 3:4
BC : B1C1 = 18:24 = 3:4
CA : C1A1 = 24:32 = 3:4