O is the center of the circle.Assume that lines that appear to be tangent. What is the value of x?

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asked Apr 9, 2020 28.0k views

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Mastropi · Answer 1 · 2020-04-16T01:45:59+0000

So line QP is the tangent which means angle Q is 90 degrees. All three angles of a triangle added together is 180 degrees so:
x = 180 - 90 - 12
x = 78

O is the center of the circle.Assume that lines that appear to be tangent. What is the value of x?

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