Calculate 32513

Block area: S = 376 cm2
the sides are in the ratio a: b: c = 3: 4: 5
calculate its volume

Correct answer:

V =  480 cm3

Step-by-step explanation:

a=3 x b=4 x c=5 x S=376 cm2  S=2(ab+bc+ac)=2(3 4 x2+4 5 x2+3 5 x2)  x=S/2/(3 4+5 4+3 5)=376/2/(3 4+5 4+3 5)=2 cm  a=3 x=3 2=6 cm b=4 x=4 2=8 cm c=5 x=5 2=10 cm  V=a b c=6 8 10=480=480 cm3   Verifying Solution:   S1=2 (a b+b c+c a)=2 (6 8+8 10+10 6)=376 cm2



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