4MA0 Foundation January 2017 Paper 1 Q7

EdexcelFoundationOld spec4 marksAngles (Including Parallel Lines)

7

Straight line ABC at the top; lines BDF and ADE cross at D; angle z at A, angle y at B inside triangle ABD, angle CBD = 131 degrees, angle ADB = 42 degrees and angle x at D opposite it

Diagram NOT accurately drawn

\(ABC\), \(BDF\) and \(ADE\) are straight lines.

(a) Write down the size of angle \(x\). (1)
(b) Work out the size of angle \(y\). (1)
(c)
(i) Work out the size of angle \(z\).
(ii) Give a reason for your answer.
(2)
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