Angles (Including Parallel Lines): Eduqas GCSE Higher June 2017 Paper 2 Q3

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Higher June 2017 Paper 2 Q3

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Write an equation in terms of \(x\) and solve it.

You must show all your working. [3]

Mark scheme

Scheme	Marks	Comments
Sight of \(x + 2x + 4x + 2x\) or \(9x\)	B1
\(9x = 180\)	B1	Sight of \(9x = 180\) implies previous B1 FT ‘their \(x + 2x + 4x + 2x\)’ provided it contains at least 3 of the appropriate terms, simplified and ‘= 180’ If previously B0 then allow this B1 for sight of \(nx = 180\) where \(7 \leqslant n \leqslant 11\)
\(x = 20\)	B1	CAO. An answer ‘\(x = 20\)’ without previous equation is awarded the final B1 only If no marks, award SC2 for a calculation (\(x\) =) 180 ÷ 9 giving an answer \(x = 20\)
	(3)