can someone help with this? ive been doing the other ones correctly but this one has me stumped

RS is tangent to the given Circle.
We know that, radius from the center of the circle to the point of tangency is perpendicular to the tangent line.
So,
∠CRS = 90°
We also know that, sum of all angles inside a triangle is 180°.
So,
∠CRS + ∠CSR + ∠RCS = 180°
90° + 46° + x = 180°
136° + x = 180°
x = 180° - 136°
x = 44°
So, the value of x = 44°.