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A pair of vertical angles have measures (2y+5)° and (4y)°. What is the value of y? A: -5/2 B: -2/5 C: 2/5 D: 5/2
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5 votes
A pair of vertical angles have measures (2y+5)° and (4y)°.

What is the value of y?
A: -5/2
B: -2/5
C: 2/5
D: 5/2

User Tnaffh
by
8.3k points

2 Answers

5 votes
2y+5=4y they are vertical angles which are eqaul
y=5/2
User SySyBy
by
7.9k points
5 votes
I believe with vertical angles, they are equal to each other.

Therefore,

2y + 5 = 4y

subtract 2y from both sides

5 = 2y

divide 2 from both sides

y = 5/2
User Merelda
by
8.7k points
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