Question

Help!! What is the measure of QS?

Answer 1

Let the center of the given circle is O .

And central angle is double of the angle subtended by the arc.

So central angle is twice of 84 degree.

And twice of 84 is 168 degree.

So the central angle is of measurement 168 degree.

And central angle is the measurement of the arc , therefore measurement of arc QS is 168 degree.

Answer 2

Answer:

168

Step-by-step explanation:

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