10.下列能判定△ABC≌△A′B′C′的是( )
| A. | AB=A′B′,BC=B′C′,∠C=∠C′ | |
| B. | ∠B=135°,∠B′=135°,AB=B′C′,BC=C′A′ | |
| C. | AB=BC=CA,A′B′=B′C′=C′A′,∠A=∠A′ | |
| D. | AB=A′B′,BC=B′C′,∠B=∠B′=135° |
6.
如图所示的模板,规定:AB、CD的延长线应相交成80°的角,因交点不在模板上,不便测量,工人师傅测得∠BAE=124°,∠DCF=155°,此时AB,CD的延长线相交所成的角是否符合规定?为什么?
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