The figure below shows a trapezium ABCD with AB // DC, $\angle$ DAB = 68 $^\circ$. And $\angle$ ABC is an isosceles triangle with AB = AD. Find $\angle$BCD.
The figure below is not drawn to scale. ACDE is a trapezium. Given the AE = AB, $\angle$EAB =78$^\circ $ and $\angle$ACD is 90 $^\circ $ . (a) Find $\angle$CDE. (b) Find $\angle$ABE. (c) Find $\angle$DEB.
Area of Shaded Part = $\frac{1}{2} \times 9 \times 11 = 49.5$
In the figure below, EBCD is a trapezium. ED is parallel to BC. $\angle$FAB = 74$^\circ$ and $\angle$EBC = 113$^\circ$. Find the sum of $\angle$w, $\angle$x, $\angle$y,and $\angle$z.
In the figure below, WXYZ is a trapezium. WZ is parallel to XY. $\angle$XWY = 52$^\circ$,$\angle$WYZ = 66 $^\circ$ and $\angle$WZY = 55$^\circ$. Find $\angle$WXY.
In the figure, YZ is a straight line while ABCD and PQRS are overlapping trapeziums. Given that $\angle$YAB = 50$^\circ$, $\angle$QDW = 135$^\circ$,$\angle$DQR = 60$^\circ$, (a) Find $\angle$DXS. (b) Find $\angle$QRW.