∴∠aod= 180-64 = 1 16，

∫OE segmentation ∠AOD,

∴∠doe= 12∠aod= 12× 1 16 = 58，

Shared BOD,

∴∠dof= 12∠bod= 12∠aoc= 12×64 = 32，

∴∠eof=∠doe+∠dof=58+32 = 90；

(2) The complementary angles with ∠AOD are ∠AOC and ∠ BOD;

(3) The complementary angles with ∠AOE are ∠BOF and ∠ DOF.