Answer:
x=53
Explanation:
A quadrilateral has four sides, four vertices and its interior angles that add to 360 degrees:.
360 -120-103-84-= x
360-307 = x
53 = x
hi
84⁰+103⁰+120⁰=307⁰
360⁰-307⁰=53⁰
x is 53⁰
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