∆ABC~∆DEF Areas of ∆ABC and ∆DEF are 3cm^2 and 9cm^2.Find AC:DF
Answers
Answered by
0
Answer:
For similar triangles,
ratio of area of triangles = ratio of square of corresponding sides
Hence,
Ar.△DEF
Ar.△ABC
=
DE
2
AB
2
64
9
=
(5.6)
2
AB
2
AB
2
=
64
9
(5.6×5.6)
AB
2
=4.41
AB=2.1cm
Similar questions