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21-01-2021
Mathematics

contestada

What is the value of x?

What is the value of x class=

Respuesta :

Argeliegarcia Argeliegarcia

21-01-2021

Answer:

x=139°

Step-by-step explanation:

7 sides

180(7-2)=900°

900-(118+129+129+109+137)=278

278/2=139°

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