Foundation November 2018 Paper 1 Q28
28 The size of each interior angle of a regular polygon is 11 times the size of each exterior angle.
Work out how many sides the polygon has. (3)
| Answer | Mark | Mark scheme |
|---|---|---|
| 24 | P1 | starts process, eg \(x + 11x = 180\) or \(180 \div 12\ (= 15)\) or interior angle + exterior angle = 180 oe |
| P1 | complete process to find number of sides, eg \(360 \div (180 \div 12)\) | |
| A1 | cao |