如图,已知AD=acm,AC=bcm,2BC=3AC,∠B=36°.∠D=117°,△ABC∽△DAC.(1)求AB的长; (2)求DC 的如图,已知AD=acm,AC=bcm,2BC=3AC,∠B=36°.∠D=117°,△ABC∽△DAC.(1)求AB的长; (2)求DC 的长; (3)求∠BAD的大
来源:学生作业帮助网 编辑:作业帮 时间:2024/07/07 16:31:28
![如图,已知AD=acm,AC=bcm,2BC=3AC,∠B=36°.∠D=117°,△ABC∽△DAC.(1)求AB的长; (2)求DC 的如图,已知AD=acm,AC=bcm,2BC=3AC,∠B=36°.∠D=117°,△ABC∽△DAC.(1)求AB的长; (2)求DC 的长; (3)求∠BAD的大](/uploads/image/z/5231320-16-0.jpg?t=%E5%A6%82%E5%9B%BE%2C%E5%B7%B2%E7%9F%A5AD%3Dacm%2CAC%3Dbcm%2C2BC%3D3AC%2C%E2%88%A0B%3D36%C2%B0.%E2%88%A0D%3D117%C2%B0%2C%E2%96%B3ABC%E2%88%BD%E2%96%B3DAC.%EF%BC%881%EF%BC%89%E6%B1%82AB%E7%9A%84%E9%95%BF%EF%BC%9B+%EF%BC%882%EF%BC%89%E6%B1%82DC+%E7%9A%84%E5%A6%82%E5%9B%BE%2C%E5%B7%B2%E7%9F%A5AD%3Dacm%2CAC%3Dbcm%2C2BC%3D3AC%2C%E2%88%A0B%3D36%C2%B0.%E2%88%A0D%3D117%C2%B0%2C%E2%96%B3ABC%E2%88%BD%E2%96%B3DAC.%EF%BC%881%EF%BC%89%E6%B1%82AB%E7%9A%84%E9%95%BF%EF%BC%9B+%EF%BC%882%EF%BC%89%E6%B1%82DC+%E7%9A%84%E9%95%BF%EF%BC%9B+%EF%BC%883%EF%BC%89%E6%B1%82%E2%88%A0BAD%E7%9A%84%E5%A4%A7)
xKkAǿʰyB'ҏ̨3+' "%s0uՃ~%~{g|@ă~j/n5ګ>[>fqǢ@荄Q@Y[)V`̧ū,/ڈYV1^pylbh/iqdhv馍{]k7t%nߩ7?l/ˠ(s(wdFdy
GG@I+>
mEvM*aCB䊧$QS)