elahthompson
elahthompson
11-03-2021
Mathematics
contestada
what is the exterior angle of #9 ?
Respuesta :
hockey12151454
hockey12151454
11-03-2021
Answer:
55
Step-by-step explanation:
3x-12=2x
+12
3x=2x +12
-2x
x=12
4(12)+ 9
48+9
=55
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