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

Asking Again Because Last Time I Didnt Get An Actual Answer What Is The Surface Area Of This Composite Figure class=

Sagot :

Answer:

644 cm^2

Step-by-step 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