Question

1)CUB ->cu muchia cu lungimea 4 cm a)At=> d=? V=? 3) ABCDA'B'C'D' cub care are volumul egal cu 48 radical 6 cm cubi .Aflati : a)m(<(BD.AD')) b)d=? c)d(C,BD') 2) Se considera paralelipipedul dreptunghic ABCDA'B'C'D' cu AB=3CM AD = 2CM AA' 2 RADICAL CM aflati: a)V =? b) d=? c) M[<(BC',(ABC)) ] =?

Answer 1

1) At=6$l^{2}$=6×$4^{2}$=96
    d=l√3=4√3
    V=$l^{3}$=$4^{3}$=64