mikaylaharris0445 mikaylaharris0445

19-11-2021
Mathematics

contestada

solve for x using parallel lines and angles

solve for x using parallel lines and angles class=

Respuesta :

jimrgrant1 jimrgrant1

19-11-2021

Answer:

x = 20

Step-by-step explanation:

The 2 given angles are adjacent on a straight line and sum to 180° , then

123 + 2x + 17 = 180

140 + 2x = 180 ( subtract 140 from both sides )

2x = 40 ( divide both sides by 2 )

x = 20

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