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A pair of vertical angles has measures (2y+5) degrees and (4y) degrees. what is the value of y? a) -5/2 b) -2/5 c) 2/5 d) 5/2

A pair of vertical angles has measures (2y+5) degrees and (4y) degrees. what is the value of y? a) -5/2 b) -2/5 c) 2/5 d) 5/2
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A pair of vertical angles has measures (2y+5) degrees and (4y) degrees.

what is the value of y?

a) -5/2
b) -2/5
c) 2/5
d) 5/2

User Greg Terrell
by
9.1k points

1 Answer

7 votes
Vertical angles are always equal.
To find the value of y, compare the angles.
4y=2y+5
Subtract 2y from both sides
2y=5
Divide both sides by 2.
y=5/2
Option D is correct.
User Hemant Menaria
by
8.3k points
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