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Mathematics

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angle sum theorem ??
do i add the numbers, and equal it to 180?

Angle Sum Theorem Do I Add The Numbers And Equal It To 180 class=

Answer :

BearisaMathTeachergo BearisaMathTeachergo

Yes add all the angles together to equal 180

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Xenia168go Xenia168go

Answer:

Step-by-step explanation:

Let use Exterior Angle Sum Theorem:

2x + 70° = 110°

2x = 110° - 70°

2x = 40°

x = 20 °

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