Question

∆ABC ~∆DEF. ratio of their areas are 49:81, if AB=7 cm, then DE=​

Answer 1

Answer:

∆ABC ∼ ∆PQR and their areas are in the ratio 49 : 16. If BC = 7cm,

then the length of QR is ____.

A) 4cm B) 10cm C) 7cm D) 3cm

=3333333