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42 votes
А — 7х + 40°
B = 3х - 112 °

А — 7х + 40° B = 3х - 112 °-example-1
User Itay Bianco
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1 Answer

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17 votes

Answer:

x=18°

Explanation:

A=B since they are corresponding angles of a pair of parallel lines.

7x+40=3x+112

4x=72

x=18°

User Rudiger
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