sadvibez223 sadvibez223

19-03-2021
Mathematics

contestada

HELP!

Find the measure for
A)
127°
B)
131°
C)
135°
D)
139°

HELP Find the measure for A 127 B 131 C 135 D 139 class=

Respuesta :

thebecks thebecks

19-03-2021

Answer:

B) 131°

Step-by-step explanation:

-4a + 139 = 4a + 123 because they are vertical angles

-4a + 139 = 4a + 123

reduce:

8a = 16

a = 2

4(2) + 123 = 131°

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