<1 and <2 are vertical angles. vertical angles are equal, so
m<1 = m<2
substituting the given expressions:
3x + 20 = x + 70
2x = 50
x = 25
substituting 25 for x in the expression for m<1:
3x + 20 = 3(25) + 20 = 95
Tony V.
asked • 01/19/22GEOMETRY QUESTION
If m∠1=3x+20 and m∠2=x+70, find m∠1.
m∠1 = degrees
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