13.If ∠1 and ∠2 are vertical angles,
then ∠1 ≅ ∠2, what is the m∠1?
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13.If ∠1 and ∠2 are vertical angles,
then ∠1 ≅ ∠2, what is the m∠1?
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Answer:
x+ 30= 2x -70
x-2x =-70-30
-x= -100
x=100
Step-by-step explanation:
x+30 + <1 = 180°
100+30 +<1= 180
<1= 180-130
<1 = 50°