4MA0 Foundation June 2013 Paper 1R Q10

EdexcelFoundationOld spec3 marksAngles (Including Parallel Lines)

10

Isosceles triangle ABC with AB = AC, angle x° at A, BC extended to D, angle ACD = 130°

Diagram NOT accurately drawn

The diagram shows an isosceles triangle \(ABC\).
\(AB = AC\).
\(BCD\) is a straight line.
Angle \(ACD = 130^\circ\)

Work out the value of \(x\).

(3)

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