Dimensions 20553

The surface of the block is 558 cm², and its dimensions are in the ratio of 5:3:2.
Calculate the volume.

Correct answer:

V =  810 cm3

Step-by-step explanation:

a = 5 x b = 3 x c = 2 x S=558 cm2  S = 2(ab+bc+ac) = 2(5   3 x2 + 3   2 x2 + 5    2 x2) S = 62 x2  x=S/62=558/62=3 cm  a=5 x=5 3=15 cm b=3 x=3 3=9 cm c=2 x=2 3=6 cm  V=a b c=15 9 6=810 cm3



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