Answer:
SA=744 [tex]cm^{2}[/tex]
Step-by-step explanation:
Surface area mean the sum off every single area of the shape
so we have here two rectangle area= 14*13*2=364
and one rectangle are in the bottom= 14*10=140 cm
and two triangle are= 10*12*2=240 cm
so the some of them is SA=364+140+240=744[tex]cm^{2}[/tex]