amari1072 amari1072

09-12-2020
Mathematics

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Need help pleaseeee.

Need help pleaseeee class=

Respuesta :

09-12-2020

Answer:

m angle B=141

Step-by-step explanation:

a 7 sided shape has 900 total degrees

subtract all the known angkes to find your answer

900-90-148-142-130-129-120=141

hope this helps :)

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