If line a and line b are parallel, which angles are vertical angles? 1.2 817 9 10 1413 11 12 16 15

Question

If line a and line b are parallel, which angles are vertical angles?
1.2
817
9 10
1413
11 12
16 15
C
4
A. 23 and 211
B. 28 and 23
C. 27 and 23
D. none of these

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Khánh Gia 4 years 2021-08-05T08:48:07+00:00 1 Answers 20 views 0

Answers ( )

  1. thanhcong
    0
    2021-08-05T08:49:25+00:00
    Reply

    Answer:

    A. 23 and 23 if the word ghh

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Giải phương trình 1 ẩn: x + 2 - 2(x + 1) = -x . Hỏi x = ? ( )