Question

What is the value of x?

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Answer 1

Answer:

The answer is x=111°

Step-by-step explanation:

The sum of all the angles in a heptagon are 900°

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

789°+x° = 900°

x° = 900°-789°

x° = 111°