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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˚

User Validname
by
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1 Answer

5 votes
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. ^.^
User Twimo
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User Dolbi
asked Sep 15, 2018 123k views
If m∠4 = (3x)° and m∠8 = (x + 40)°, what is the measure of ∠4? ∠4 and ∠8 are vertical.
Dolbi asked Sep 15, 2018
by Dolbi
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