What are the bond angles of Ethane? Ethene? Ethyne?

The carbon atoms in ethane are AX₃ systems and are sp³ hybridized. All bond angles are 109.5 °; The carbon atoms in ethene are AX₂ systems and are sp² hybridized. All bond angles are 120 °; The carbon atoms in ethyne AX systems and are sp hybridized. All bond angles are 180 °.