Question

cum aflu aria unui trapez cu lm 9 si h 12

Answer 1

Răspuns:

Aria unui trapez = (B + b) • h/2 = l.m. • h = 108 cm^2

l.m. trapez = (B + b)/2

Answer 2

Răspuns:

$L.m=\frac{B+b}{2} \\\\A=\frac{(B+b)*h}{2} = > A=\frac{9*12}{2} = > A=\frac{108}{2} = > A=54m^{2}$