solort811 solort811
  • 13-12-2019
  • Mathematics
contestada

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

O is the center of the circleAssume that lines that appear to be tangent What is the value of x class=

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happyend
happyend happyend
  • 13-12-2019
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
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