Question

(in) In A(ABC), DE | AB, AD=3DC,
A(ABED)= 90 cm²
Find A(ABC)​

Answer 1

Answer:

ABC and PQR be two right triangles with AB ⊥ BC and PQ ⊥ QR.

Given:

BC = 9, AB = 5, PQ = 6 and QR = 10.

∴

A(△ABC)

A(△PQR)

=

AB×BC

PQ×QR

=

5×9

6×10

=

3

4