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4. Find the value of x.


4 Find The Value Of X class=

Sagot :

Answer: I believe its B

Step-by-step explanation:

Answer:

Step-by-step explanation:

The sum of interior angles is 180(n-2) where n=number of sides. In this case there are 8 sides so the sum of angles is

180(8-2)=1080 degrees. Now can solve for x

5x+4x+138+116+132+126+134+123=1080

9x+769=1080

9x=311

x=34.6