(a)[3]
Find $CB$.
(b(i))[1]
Find angle $ADB$.
(b(ii))[3]
Find $AB$.
(c)[3]
Calculate the area of the trapezium.
Mathematics 0580 · IGCSE · Non-right-angled triangles
Non-right-angled triangles — practice question
The diagram represents trapezium $ABCD$ (not drawn to scale), with $DC$ parallel to $AB$. Here, $DC = 6.4\,\text{cm}$, $DB = 10.9\,\text{cm}$, angle $CDB = 38^{\circ}$ and angle $DAB = 45^{\circ}$.