1MA0 Foundation June 2013 Paper 1 Q25
*25
Diagram NOT accurately drawn
Work out the size of the angle marked \(x\).
Give reasons for your answer. (3)
| Answer | Mark | Notes |
|---|---|---|
| QWC \(x = 50^\circ\) with complete reasons | 3 | M1 for 180 – (65 + 65) A1 for \(x = 50\) cao C1 (dep on M1) Base angles of an isosceles triangle are equal and angles in a triangle add up to 180 |