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A pair of vertical angles has measures (2y+5)° and (4y)°. What is the value of y? −5/2 −2/5 ​ 2/5 ​ 5/2

User Aldee
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1 Answer

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Vertical angles are congruent, meaning that they are equal to each other. Set the equation as:
2y + 5 = 4y
5 = 2y
y = 5/2
User Ulana
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