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Help me pleaseeeee!!!!!!!!
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3 votes
Help me pleaseeeee!!!!!!!!

Help me pleaseeeee!!!!!!!!-example-1
User Amjad Shahzad
by
7.0k points

1 Answer

2 votes

Answer:

140

Explanation:

Angles 1, 2 and 3 are in a straight line,

Straight line has 180 degrees,

∠1 = ∠3 = 20

∠1 + ∠2 + ∠3 = 180

20 + ∠2 + 20 = 180

∠2 + 40 = 180

∠2 = 180 - 40

∠2 = 140

User Adam Bickford
by
8.0k points
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