Angles Question
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Grade 7 Angles CCSS: 7.G.B.5
Given the following, including the fact that ∠ABC and ∠CBD are supplementary, what is the value of m∠ABC?
m∠DBC=x-10
m∠ABC=x+30
m∠DBC=x-10
m∠ABC=x+30
- 35°
- 70°
- 80°
- 110°