Fic ABCD un trapez dreptunghic, in care AD || BC,
m(CA) = 90° m 2D) = 30° AB = BC = 4 cm
Determinați lungimea Ituri AD.
![Fic ABCD Un Trapez Dreptunghic In Care AD BCmCA 90 M 2D 30 AB BC 4 CmDeterminați Lungimea Ituri AD class=](https://ro-static.z-dn.net/files/da9/cb0ac6ed961fd9b7335b6fc72ee5e8a7.jpg)