如图所示,已知AO⊥BC于O,DO⊥OE,∠1=65°,求∠2的度数.
题型:同步题难度:来源:
如图所示,已知AO⊥BC于O,DO⊥OE,∠1=65°,求∠2的度数. |
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022151112-99516.gif) |
答案
解:∵AO⊥BC于O, ∴∠AOC=90°, 又∠1=65°, ∴∠AOE=90°-65°=25°. ∵DO⊥OE, ∴∠DOE=90°. ∴∠2=∠DOE-∠AOE=90°-25°=65°. |
举一反三
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A.30o B.40o C.50o D.60o |
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