A picture

A picture frame is 62 centimeters wide and 40 centimeters long. The frame is 4 centime thick on all sides. What is the area of the picture's display?

Correct answer:

A =  1728 cm2

Step-by-step explanation:

a=62 cm b=40 cm c=4 cm  x=a2 c=622 4=54 cm y=b2 c=402 4=32 cm  A=x y=54 32=1728 cm2

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