co mot va chi mot duong thang di qua hai diem phan biet la tinh chat gi
Hãy nhập câu hỏi của bạn vào đây, nếu là tài khoản VIP, bạn sẽ được ưu tiên trả lời.
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ta vẽ góc :
a)ta có góc mon = 900
b)==> 750
còn lại bạn tụ giải nha
đến giờ ăn cơm rồi
Đó chính là tính chất đường thẳng đi qua hai điểm