Cutting the prism

A prism with a square base with an area of 1 cm2 and a height of 3 cm was cut from a cube with an edge length of 3 cm. What is the body's surface formed from the cube after cutting the prism?

Correct answer:

S =  64 cm2

Step-by-step explanation:

a=3 cm S1=1 cm2 c=3 cm  S2=6 c2=6 32=54 cm2  b=S1=1=1 cm a=c  S=S2+4 b c2 S1=54+4 1 32 1=64 cm2

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