依据下列各组条件,判定△ABC与△A′B′C′是不是相似,并说明为什么.(1).∠A=120°,AB=7cm,AC=14cm,∠A′=120°,A′B′=3cm,A′C′=6cm(2)AB=4cm,BC=6cm,AC=8cm,A′B′=12cm,B′C′=18cm,A′C′=24cm请快速回答急!
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![依据下列各组条件,判定△ABC与△A′B′C′是不是相似,并说明为什么.(1).∠A=120°,AB=7cm,AC=14cm,∠A′=120°,A′B′=3cm,A′C′=6cm(2)AB=4cm,BC=6cm,AC=8cm,A′B′=12cm,B′C′=18cm,A′C′=24cm请快速回答急!](/uploads/image/z/5596263-63-3.jpg?t=%E4%BE%9D%E6%8D%AE%E4%B8%8B%E5%88%97%E5%90%84%E7%BB%84%E6%9D%A1%E4%BB%B6%2C%E5%88%A4%E5%AE%9A%E2%96%B3ABC%E4%B8%8E%E2%96%B3A%E2%80%B2B%E2%80%B2C%E2%80%B2%E6%98%AF%E4%B8%8D%E6%98%AF%E7%9B%B8%E4%BC%BC%2C%E5%B9%B6%E8%AF%B4%E6%98%8E%E4%B8%BA%E4%BB%80%E4%B9%88.%281%29.%E2%88%A0A%3D120%C2%B0%2CAB%3D7cm%2CAC%3D14cm%2C%E2%88%A0A%E2%80%B2%3D120%C2%B0%2CA%E2%80%B2B%E2%80%B2%3D3cm%2CA%E2%80%B2C%E2%80%B2%3D6cm%282%29AB%3D4cm%2CBC%3D6cm%2CAC%3D8cm%2CA%E2%80%B2B%E2%80%B2%3D12cm%2CB%E2%80%B2C%E2%80%B2%3D18cm%2CA%E2%80%B2C%E2%80%B2%3D24cm%E8%AF%B7%E5%BF%AB%E9%80%9F%E5%9B%9E%E7%AD%94%E6%80%A5%21)
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