Calculate 8039

Peter built a cube in Ostrava, each wall with a unique QR code. The edge of the cube is 107 cm long. Calculate how large an area its author had to cover with white and black.

Correct answer:

S =  6.8694 m2

Step-by-step explanation:

a=107 cm m=107:100  m=1.07 m  S=6 a2=6 1.072=6.8694 m2

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