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masha888892
@masha888892
August 2022
1
21
Report
Известно, что
A
B
∥
C
D
AB∥CD,
∠
O
D
С
=
5
5
∘
∠ODС=55
∘
,
∠
A
O
B
=
8
3
∘
∠AOB=83
∘
. Найди
∠
O
A
B
∠OAB.
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Answers & Comments
saarsen71
Ответ:
180°-(83°+55°)=42°
<ОАВ=42°
2 votes
Thanks 1
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Answers & Comments
Ответ:
180°-(83°+55°)=42°
<ОАВ=42°