Question

aflati volumul unui cub cu muchia de: a) 10 cm b) 2 2/3 c) 4,(6)cm

Answer 1

Răspuns:

$a) \: \: v = l ^{3} = > v = 10 ^{3} = 1000cm ^{3} \\ b) \: \: 2 \times \frac{2}{3} = \frac{8}{3} = > v = ( \frac{8}{3} ) ^{3} = \frac{512}{27} cm ^{3} \\ \\ c) \: \: 4.(6) = 4 \times \frac{6}{9} = \frac{14}{3} = > v = ( \frac{14}{3} )^{3} = \frac{2744}{27} cm ^{3}$