4MA0 Foundation January 2014 Paper 1R Q11

EdexcelFoundationOld spec2 marksAngles in Polygons

Diagram NOT accurately drawn

The diagram shows a quadrilateral \(ABCD\).
\(AB = BD = AD\).
\(BC = DC\).
Angle \(BDC = 71^\circ\)

Work out the size of angle \(ABC\).

(2)

Scheme	Marks
\(\angle ABD = 60^\circ\) or \(\angle CBD = 71^\circ\)	M1
131	A1
	(2)
	(Total 2 marks)