2025 IGCSE 0580 May/June P42 Q20

The diagram shows a quadrilateral \(ABCD\).

\(CD=10\text{ m}\) and \(DB=12\text{ m}\).

Angle \(DBA=90^\circ\), angle \(CDB=56^\circ\) and angle \(ADB=34^\circ\).

1. Calculate the length of \(AB\).[2]
2. Calculate the area of the quadrilateral \(ABCD\).[3]
3. Calculate the perimeter of the quadrilateral \(ABCD\).[5]
4. Calculate the shortest distance from \(B\) to the line \(AD\).[3]