Answer
132 $unit^{2}$
Work Step by Step
Lets draw XA perpendicular to WV, TB perpendicular to WV. Then AB = RS = 10 units
WA = BV = $\frac{16 - 10}{2}$ = $\frac{6}{2}$ = 3 units
By Pythagoras theorem AX = BT = 4 units
Area (RXTVWX) = Area(WVTX) + Area (RSTX)
= $\frac{1}{2}$ (a+b) h + bh
= $\frac{1}{2}$ (WV+XT) AX + RS * TS
=$\frac{1}{2}$ (16 + 10) 4 + 10 * 8
=26 * 2+80
= 52 + 80 = 132 $unit^{2}$
