Respuesta :
The value of x of the given cyclic segment is; 49.5°
How to find the angle of an arc?
We are given the measure of the angle of arc QS as (4x – 18)°
Now, this angle is to be equal to 180°.
Thus;
(4x – 18)° = 180°
4x - 18 = 180
4x = 180 + 18
4x = 198
x = 198/4
x = 49.5°
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