Răspunsuri

2014-06-02T23:17:44+03:00
A=DE*EF* sin<E /2

A=3√6 * 8√3 * sin<45/2=

A=3√6* 8√3 * √2/2 /2=

A=3√6* 4√3 * √2/2

A=3√6 * 2√3 * √2

A=6√36

A=6*6

A=36