Solve for x. enter your answer in the box

The sum of the interior angles of a polygon of n sides is (n-2)*180 degrees.  Here n=5, so that sum is (5-2)*180 degrees, or 3*180 degrees, or 540 degrees.

Adding up the 5 interior angles shown, we get 100+102+108+121+x = 540 (degrees).  This reduces to 431 + x = 540 (degrees).  Thus, x = 540-431 degrees, or x = 109 degrees (answer).

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step-by-step explanation:

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