aseqyy
aseqyy
26-09-2021
Mathematics
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Respuesta :
hongne110807
hongne110807
26-09-2021
Answer:
Step-by-step explanation:
Xét ∆ABC có:
C= 180-30-45=105°
D= 180-105-45÷2= 75-22,5= 52,5°
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