1MA0 Higher November 2016 Paper 2 Q14
14 \(ABCDE\) and \(PQRST\) are regular pentagons.
Diagram NOT accurately drawn
\(SR\) is parallel to \(DC\)
\(AP = BQ = CR = DS = ET\)
Work out the size of angle \(SRC\).
You must show all your working. (3)
| Answer | Mark | Notes |
|---|---|---|
| 126 | 3 | M1 for \(180 - (360 \div 5)\) (= 108) or \((5 - 2) \times 180 \div 5\) (= 108) M1 for a complete method eg \(\dfrac{360 - \text{``}108\text{''}}{2}\) or \(180 - \dfrac{\text{``}108\text{''}}{2}\) A1 cao |