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Mathematics, 13.08.2021 03:00 dtrammel91

Mỗi câu sau đây là đúng hay sai ? vẽ hình để minh chứng a)có những cặp góc bằng nhau nhưng không đối đỉnh
b)hai góc bằng nhau và một đường thẳng chứa tia của góc này có chứa tia của góc kia là hai góc đối đỉnh
c)hai góc bằng nhau và một tia của góc này là tia đối của góc kia là hai góc đối đỉnh
d)hai góc bằng nhau và chung đỉnh là hai góc đối đỉnh
e)góc tạo bởi tia đối của một góc và góc đã cho là hai góc đối đỉnh
f)hai đường thẳng cắt nhau tạo thành 4 góc , đôi một đối đỉnh
g)hai góc đối đỉnh thì hai góc đó phải là góc nhọn

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