Answer:
110⁰
Explanation:
The sum of the interior angles of a polygon is given by:
(n-2)*(180⁰), where n is the number of sides.
For this diagram, n = 7
(7-2)*(180⁰) = 900⁰
Sum of the 6 marked angles = 790⁰
Angle x = 900⁰ - 790⁰ = 110⁰
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