已知△ABC∽△DEF,且DE=3 cm,AB=4 cm,BC=5 cm,CA=6 cm,求△DEF的周长.
问题描述:
已知△ABC∽△DEF,且DE=3 cm,AB=4 cm,BC=5 cm,CA=6 cm,求△DEF的周长.
答
已知△ABC∽△DEF,且DE=3 cm,AB=4 cm,BC=5 cm,CA=6 cm,求△DEF的周长.