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Find the measure of the remote exterior angle. mZx = (6n – 20)°
mzy = (5n + 11)
mZz = (171 - nº
Х
Z
A. 70
B. 86
C. 156
D. 15

Find the measure of the remote exterior angle mZx 6n 20 mzy 5n 11 mZz 171 nº Х Z A 70 B 86 C 156 D 15 class=

Respuesta :

wegnerkolmp2741o

Answer:

z = 156

Step-by-step explanation:

x+y = z

6n - 20 + 5n+11 = 171 -n

Combine like terms

11n -9 = 171 -n

Add n to each side

12n -9 = 171

Add 9 to each side

12n = 180

Divide by 12

n = 15

Z = 171 - n

z = 171- 15

z =156

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