persiah2382
persiah2382 persiah2382
  • 07-10-2020
  • Mathematics
contestada

can someone pls help me

can someone pls help me class=

Respuesta :

horsesmaddy928
horsesmaddy928 horsesmaddy928
  • 07-10-2020
The answer is -8.

Explanation:
90+d+d=180
180-90=90
90 divided by 2 = 45
53-45=8
Answer= -8
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