codonnell352 codonnell352
  • 13-07-2021
  • Mathematics
contestada

PLS HELP!!!!
Determine the value of x.
A) 160°
B) 78°
C) 240°
D) 80°

PLS HELP Determine the value of x A 160 B 78 C 240 D 80 class=

Respuesta :

mathstudent55
mathstudent55 mathstudent55
  • 13-07-2021

Answer:

D) 80°

Step-by-step explanation:

(n - 2)180 = 4(180) = 720

78 + 134 + 136 + 132 + 2x + x = 720

3x + 480 = 720

3x = 240

x = 80

Answer Link
roxowyatt roxowyatt
  • 27-12-2021

Answer:

The answer is D:80 degrees.

Step-by-step explanation:

Answer Link

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