Calculate 4784

The sketch shows a network of blocks with a surface size of 150 cm2. Calculate its volume. (MONITOR 9 - 2005/30 question.)

Correct answer:

V =  108 cm3

Step-by-step explanation:

S=150 cm2 a=3 cm  15 = b +2 a  b=152 a=152 3=9 cm  S = 2(a b+b c+c a) S/2  a b = c (b+a)  c=b+aS/2a b=9+3150/23 9=4 cm V=a b c=3 9 4=108 cm3



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