Question

Me ajudem por favor!!!​

Answer 1

$A_t=\frac{(B+b)h}{2}\\\\A_t=\frac{(10.6)}{2}\\\\A_t=\frac{60}{2}\\\\A_t=30\:dm^2$

$A_l=\frac{D.d}{2}\\\\A_l=\frac{12.8}{2}\\\\A_l=48\:dam^2$