题目内容
已知∠A与∠B的余角互补,∠C与∠B的补角互补,则∠A比∠C大
[ ]
A.90°
B.180°
C.135°
D.45°
答案:A
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| A、30°17' | B、30.67° | C、30°10′12″ | D、30°10' |
题目内容
已知∠A与∠B的余角互补,∠C与∠B的补角互补,则∠A比∠C大
A.90°
B.180°
C.135°
D.45°
| A、30°17' | B、30.67° | C、30°10′12″ | D、30°10' |