Question

(b) In the given figure, DE || BC and AD: DB = 5:4
area of DFE
Find
area of triangle CFB
​

Answer 1

Answered

In figure below, DE||BC and AD:DB = 5:4. Find

Expert Answer:

In ABC, DE||BC

ABC = ADE, ACB = AED [corresponding s]

ABC ADE (AA similarity)

Now, in triangles DEF and CBF, we have:

FDE = BCF

DEF = FBC

[Alternate s]

DEF CBF [AA similarity]

AB/