Question

In
Δ
ABC, DE||BC. IF DE =
3
2
BC and area of
Δ
ABC = 81 cm2
, find the
area of
Δ
ADE. (CBSE

Answer 1

pls correct the question first

Answer 2

Answer:36cm

Step-by-step explanation:

ar(ABC)/ar(ADE) = (BC/DE)^2

81/ar(ADE) = (3/2)^2 [DE=2/3 BC]

ar(ADE)=9*4

=36