1MA0 Higher June 2014 Paper 1 Q11
11
Diagram NOT accurately drawn
\(ABCDE\) is a regular pentagon.
\(BCF\) and \(EDF\) are straight lines.
Work out the size of angle \(CFD\).
You must show how you got your answer. (3)
| Answer | Mark | Notes |
|---|---|---|
| 36 | 3 | M1 for a correct method to find either an interior or an exterior angle; eg. \((180 \times 3) \div 5\) or \(540 \div 5\) (=108) or \(360 \div 5\) (=72) M1 (dep) for a complete method to find angle \(CFD\). A1 cao |