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2 years ago

7

What is the value of x? Enter your answer in the box. °

1 answer:

likoan [24]2 years ago

3 0

Answer:

111°

Step-by-step explanation:

7 sides

sum of angles= (180×7)-360

1260-360=900

158+126+125+121+139+120+x=900

789+x=900

x=900-789

x=111°

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