shelley78
shelley78 shelley78
  • 03-02-2021
  • Mathematics
contestada

find the value of a and b​

find the value of a and b class=

Respuesta :

asmaNasr
asmaNasr asmaNasr
  • 04-02-2021

Step-by-step explanation:

2b=180-40

2b=140

b=70

a=180-90-70=20°

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