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If m∠4 = (3x)° and m∠8 = (x + 40)°, what is the measure of ∠4? ∠4 and ∠8 are vertical. A. 20˚ B. 60˚ C. 40˚ D. 120˚
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If m∠4 = (3x)° and m∠8 = (x + 40)°, what is the measure of ∠4? ∠4 and ∠8 are vertical. A. 20˚ B. 60˚ C. 40˚ D. 120˚
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Sep 10, 2017
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If m∠4 = (3x)° and m∠8 = (x + 40)°, what is the measure of ∠4?
∠4 and ∠8 are vertical.
A.
20˚
B.
60˚
C.
40˚
D.
120˚
Mathematics
high-school
Validname
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It would be B. 60 degrees: 3x = x+40, minus the x from both sides of the equals sign to get 2x=40, divide by 2 from both sides and get x=20, to find L4 do 3×20 equaling 60 to be you'r answer. ^.^
Twimo
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Sep 16, 2017
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Twimo
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