∆ ABC similar ∆ DEF , A (∆ABC)= 225 sq.cm , side EF =12 then find length of BC
Answers
Answered by
0
Answer:
Follow me
Step-by-step explanation:
ΔABC∼ΔDE
ΔABC=16cm
2
ΔDEF=25cm
2
BC=2.3cm
EF=?
Ratio of area is equal to square of ratios of its corresponding sides
Hence,
ΔDEF
ΔABC
=(
EF
BC
)
2
25
16
=
EF
2
2.3×2.3
EF=
8.265625
∴ EF=2.875cm
Similar questions