farlzmustache
farlzmustache farlzmustache
  • 23-02-2017
  • Mathematics
contestada

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

Respuesta :

tanner23456
tanner23456 tanner23456
  • 23-02-2017
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
Answer Link
ChandrikaP ChandrikaP
  • 23-02-2017
2y+5=4y    they are vertical angles which are eqaul
y=5/2
Answer Link

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