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blagie [28]
3 years ago
7

What is the value of angle x°?

Mathematics
1 answer:
erastova [34]3 years ago
3 0

Answer:

64^\circ

Step-by-step explanation:

Please refer to the attached figure for the labeling and construction in the given figure:

Given that minor angle of arc AB is 116^\circ.

Or in other words, we can say that angle subtended on the center O by the arc is 116^\circ.

Now, PA and PB are the tangents so, if we join the center of circle O with A and B, the angles formed are right angles.

i.e.

\angle PAO = 90^\circ\\\angle PBO = 90^\circ

Now, we know that sum of internal angles of a quadrilateral is equal to 360^\circ.

Here, we have the quadrilateral AOPB.

\therefore \angle PAO +\angle PBO+\angle AOB +\angle APB=360^\circ\\\Rightarrow 90+90+116+x=360^\circ\\\Rightarrow x = 360 - 180 - 116\\\Rightarrow x = 64^\circ

Hence, the correct answer is:

x = 64^\circ

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