lostintranslation123 lostintranslation123

06-06-2021
Mathematics

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another question about angles

another question about angles class=

Respuesta :

s191065 s191065

06-06-2021

Answer:

ㄥBEC=70；ㄥABE=160

Step-by-step explanation:

(x-5)+(3x-5)+90=180

x-5+3x-5+90=180

4x+80=180

4x=100

x=25

ㄥBEC=3*25-5=70

ㄥABE=180-(25-5)=160

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