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20-02-2021
Mathematics

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calculate the Unknown Missing angle measures

calculate the Unknown Missing angle measures class=

Respuesta :

20-02-2021

Answer:

Step-by-step explanation:

c=180-123=57

b=180-123=57

d=180-57-55=68

a=180-68-57=55

a,b,c,d=55, 57, 57, 68 degrees

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