Question

ajutati-ma va rog dau coroana va rog​

Answer 1

Răspuns:

A.l. = 2•pi•R•G = 14•12,5•3,1415 = 549,7625 cm^2

3 g ______ 5 cm^2

x g ______ 549,7625 cm^2

x = 329, 8575 g => ajung 330 g vopsea

V = pi•R^2 •h

V = 3,1415•49•12,5 = 1.924,16875 cm^3 = 1,92416675 dm^3 sau litri < 2 litri