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Always get confused with these questions. Help

Always get confused with these questions. Help-example-1
User Ewizard
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The answer is z=8 :))
User Peter Stonham
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Answer:

The answer to your question is z = 68

Explanation:

The sum of the internal angles in a polygon equals 180(n - 2)

In this polygon n = 5

180(5 - 2)

180 (3) = 540

Then

119° + 2z + 11 + 70° + 2z + z = 540

Simplify like terms

5z = 540 - 119 -11 - 70

5z = 340

z = 340 / 5

z = 68

User Radim Burget
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