Question

Asking again because last time I didnt get an actual answer. What is the surface area of this composite figure?

Answer 1

644 cm^2

Explanation:

10*7*2+12*7*2+12*10=140+168+120=428

10*12-3*3=111

428+111=539

8*3*4+3*3=96+9=105

539+105=644