3 years ago

O is the center of the circle. find the value of x. measure of angle o = 111 what is x

1 answer:

7 0

When a radius is drawn to a point of tangency, the angle formed is always a right angle.
Basically, the 2 tangents and the radii form a quadrilateral.
The 3 angles on the right are 90, 111 and 90 degrees.
Therefore, the fourth angle = 360 -90 -111 -90
Which equals 69 degrees.

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