Răspunsuri

2014-02-21T17:58:47+02:00
Aria laterala=6lh=18 cm²
Aria totala=Al+2 x Ab=18cm²+2·3l²√3/2=18 +9√2cm²
Volumul =l²h=9cm²
Aria bazei=3l²√3/4=27√3/4