1. Cho góc xOy = 60 độ. Gọi Oz là tia đối của tia Ox.
a) Tính góc yOz ?
b) Gọi Om là tia phân...
Mathematics, 04.08.2021 14:00 DnakMeme6e7272727272
1. Cho góc xOy = 60 độ. Gọi Oz là tia đối của tia Ox.
a) Tính góc yOz ?
b) Gọi Om là tia phân giác của góc yOz. Tính góc yOm ?
c) Chứng tỏ Oy là tia phân giác của góc xOm ?
Answers: 1
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