Question

7) Triangles ABC and DEF are similar. If their perimeter are 12 cm and 9 cm
respectively and BC is 8 cm then EF=
a) 5.33 cm b) 4 cm​

Answer 1

Answer:

answer is in the photo.......

Answer 2

∵△ABC≅△DEF
∴ Perimeter of
△DEF/△ABC= AB/DE
​

⇒
12
9
​
=
BC is 8 cm

12/9 = 8/ EF
12 EF= 9*8
12EF= 72
EF= 6 cm