Mathematics, 07.08.2021 07:10 kourismith13

Cho tam giác ABC có độ dài 3 cạnh là 3cm,4cm,5cm. Giả sử tam giác A`B`C` là ảnh của tam giác ABC qua phép dời hình F. Tìm mệnh đề đúng trong các mệnh đề sau: A. Tam giác A`B`C` là tam giác đều
B. Tam giác A`B`C` là tam giác vuông cân
C. Tam giác A`B`C` là tam giác vuông
D. Không nhận dạng được tam giác A`B`C`

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Cho tam giác ABC có độ dài 3 cạnh là 3cm,4cm,5cm. Giả sử tam giác A`B`C` là ảnh của tam giác ABC qua...

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