Question

What is the surface area of this design

Answer 1

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