Three angles sit on a straight line and together make a half-turn. Two of the angles measure 55 degrees and 90 degrees.
Work out the size of the third angle, marked x.
You may get a mark for using a correct method even if your answer is incorrect.
Figure (to be drawn): A straight line with three angles marked at a single point on it: one angle labelled 55 degrees, one labelled 90 degrees, and the third labelled x degrees.
(2)