A_PAIR_OF_BEVEL_GEARS_IS_MOUNTED_ON_TWO_INTERSECTING_SHAFTS_WHO_HAVE_A_SHAFT_ANGLE_OF_80¬¨ àû._THE_GEAR_RATIO_OF_THE_GEARS_IS_1/3._FIND_THE_PITCH_ANGLES.?$#

• A. 62.76¬¨¬®‚Äö√†√ª, 17.24¬¨¬®‚Äö√†√ª
• B. 49.31¬¨¬®‚Äö√†√ª, 30.69¬¨¬®‚Äö√†√ª
• C. 56.97¬¨¬®‚Äö√†√ª, 23.03¬¨¬®‚Äö√†√ª
• D. 64.63¬¨¬®‚Äö√†√ª, 15.37¬¨¬®‚Äö√†√ª