Question

ARIA UNUI TRAPEZ CU BAZA DE 12 CM BAZA MICA DE 6 CM SI INALTIMEA DE 8 CM

Answer 1

Răspuns:

$A=\frac{B+b*h}{2} \\\\A=\frac{(12+6)*8}{2} \\\\A=\frac{144}{2} = > A=72cm^{2}$