Question

Imi trebuie urgent raspunsul pâna mâine!!!Va rog!!! Dau coroana pentru raspunsul corect!!!

Answer 1

V=l *l *l
l3
a=l*L
CU PLACERE

Answer 2

$H=C C_{1}= \sqrt{A C_{1}^2-AC^2 }= \sqrt{256-144}= \sqrt{112}= 4 \sqrt{7} \\ d=a \sqrt{2};12=a \sqrt{2};a= \frac{12}{ \sqrt{2} } =6 \sqrt{2} \\ A_{b}=a^2=(6 \sqrt{2})^2 =72cm^2 \\ V= A_{b}H=72*4 \sqrt{7}=288 \sqrt{7}cm^2 \\ A_{l}= A_{b}H$