4MA0 Foundation January 2014 Paper 1 Q9

9

(a)
Right-angled triangle with angles 38 degrees and x degrees

Diagram NOT accurately drawn

The diagram shows a right-angled triangle.
Work out the value of \(x\). (2)
(b)
Quadrilateral with angles 79, 107 and 58 degrees marked

Diagram NOT accurately drawn

Three of the angles of a quadrilateral are \(79^\circ\), \(107^\circ\) and \(58^\circ\)
Work out the size of the fourth angle of the quadrilateral. (2)