1MA0 Foundation November 2016 Paper 1 Q16
16

Diagram NOT accurately drawn
ABCD is a rectangle.
AC and BD are straight lines.
The angle between AC and BD is \(50^\circ\).
Work out the size of the angle marked \(x\). (3)
| Answer | Mark | Notes |
|---|---|---|
| 25 | 3 | M1 for (opposite angle =) 50 May be marked on the diagram M1 for complete method eg \(90 - (180 - \text{``}50\text{''}) \div 2\) or \(50 \div 2\) A1 cao or M1 for \(180 - 50\) (= 130) May be marked on the diagram M1 for complete method eg \((180 - \text{``}130\text{''}) \div 2\) A1 cao |