4MA0 Foundation January 2018 Paper 1 Q11

EdexcelFoundationOld spec5 marksAngles (Including Parallel Lines)

11

Straight lines ABC and DBE crossing at B, with angles x, y and 38° at B, triangle BCE with BC = BE and angle z at C

Diagram NOT accurately drawn

\(ABC\) and \(DBE\) are straight lines.

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

\(BC = BE\)

(c) Work out the size of angle \(z\). (2)