Question

volumul unei prisme patrulatere regulate este de 128 cm cub , iar inaltimea ei de 8 cm . determinati aria lateral si aria totala a prismei

Answer 1

[tex]V= A_{B}*H \\ 128=8* A_{B } \\ A_{B}= 16cm^2 \\ a^2=16;a=4cm \\ A_{l}=P*H=16*8=128cm^2 \\ A_{t}= A_{l}+2 A_{b}=128+2*16=128+32=160cm^2 [/tex]