Cuboid - edges

The cuboid has dimensions in ratio 4: 3: 5, the shortest edge is 12 cm long. Find:
(A) the lengths of the remaining edges,
(B) the surface of the cuboid,
(C) the volume of the cuboid

Result

a =  16 cm
c =  20 cm
S =  1504 cm2
V =  3840 cm3

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