In the diagram below, P is circumscribed about quadrilateral ABCD. What is the value of x?
2 answers:
We know that
In any quadrilateral where the vertices are on the circumference of a circle, the opposite angles add up to

degrees.
So,
in this problem

therefore
the answer is
When a quadrilateral is inscriptible the opposite angles are supplementary
So: A + C = 180°
X + 20° + 110° = 180°
Then:
X = 50°
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Answer: i belive it's D
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