Question

E and F are the mid points of the sid AB and AC of the triangle ABC. E and F are joined and produced the point D in such a way that EF = FD. Produced that ADCE is a parallelogram.
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Answer 1

Answer:

Correct option is

C

7.2 cm

In ΔABC and ΔAGH

AB

AG

=

AC

AH

=

4

1

∠A (common)

∠AGH=∠ABC

∴ΔABC≈ΔAGH

⇒

AB

AG

=

AC

AH

=

BC

GH

=

4

1

⇒BC=4×GH=4×1.8=7.2cm

⇒BC=7.2cm

solution