本课配套习题挑战模式4/5
单选题
难度系数:
4.如图,在四边形ABCD中,∠A+∠D=α,∠ABC的平分线与∠BCD的平分线交于点P,则∠P=( )
A: 90°-α |
B: 90°+α |
C: α |
D: 360°-α |
一次做对,真牛!
+5奖励规则>
- 提示1:5YWI5rGC5Ye64oigQUJDK+KIoEJDROeahOW6puaVsA==
- 提示2:6KeS5bmz5YiG57q/55qE5oCn6LSo5Lul5Y+K5LiJ6KeS5b2i55qE5YaF6KeS5ZKM5a6a55CG5rGC6Kej4oigUOeahOW6puaVsA==
- 答案:Qw==
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
本课配套习题挑战模式5/5
单选题
难度系数:
5.一个六边形ABCDEF纸片上剪去一个角∠BGD后,得到∠1+∠2+∠3+∠4+∠5=430°,则∠BGD=( )
A: 60° |
B: 70° |
C: 80° |
D: 90° |
一次做对,真牛!
+5奖励规则>
- 答案:Qg==
6Kej562U77ya4oi15YWt6L655b2iQUJDREVG55qE5YaF6KeS5ZKM5Li677yaMTgwwrDDl++8iDYtMu+8iT03MjDCsO+8jOS4lOKIoDEr4oigMiviiKAzK+KIoDQr4oigNT00MzDCsO+8jDxicj7iiLTiiKBHQkMr4oigQyviiKBDREc9NzIwwrAtNDMwwrA9MjkwwrDvvIw8YnI+4oi04oigRz0zNjDCsC3vvIjiiKBHQkMr4oigQyviiKBDREfvvIk9NzDCsO+8jjxicj7mlYXpgInvvJpC77yO