Step-by-step explanation:
(top square) 5*5=25
(2 side trapezoids) 2((5+9)/2 * 5) = 35
(side rectangle) 6.4*5=32
(side square) 5*5=25
(bottom rectangle) 9*5=45
SA= 25+35+32+25+45
SA= 162cm^2
