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Help please + I need explanation
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5 votes
Help please + I need explanation

Help please + I need explanation-example-1
User Mohammad Roshani
by
5.8k points

1 Answer

11 votes

Answer:

61 degrees

Explanation:

The THREE angles in the diagram sum to 180 degrees ( straight line = flat wall)

3x+1 + 58 + 4x-19 = 180

solve for x = 20 then A = 3x+1 = 61 degrees

User Jiangzhen
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