Question

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Answer 1

Răspuns:

Explicație pas cu pas:

b) Al= 12*30*3=108cmp

c) V= 12/2*12r3/2 *30=1870 cmc=1.87litri

V/2 = 0.935 l

d) Ab = 2*2=4 dmp

h = 0.935/4 = 0.234 dm=2.34cm

e) V20/V12= 8dmc/1.87dmc=4.28