24.如圖,點(diǎn)O在直線AB上,OC⊥AB.在△ODE中,∠ODE=90°,∠EOD=60°,先將△ODE的一邊OE與OC重合,然后繞點(diǎn)O順時(shí)針方向旋轉(zhuǎn),當(dāng)OE與OB重合時(shí)停止旋轉(zhuǎn).
(1)如圖①,當(dāng)OD在OA與OC之間,且∠COD=20°時(shí),則∠AOD=
度,∠COE=
度.
(2)如圖②,當(dāng)OD在OC與OB之間時(shí),求∠AOD與∠COE差的度數(shù);
(3)在△ODE旋轉(zhuǎn)的過程中,若∠AOE=7∠COD,求旋轉(zhuǎn)角的度數(shù).