Question

please it's very very urgent​

Answer 1

Answer:

6

Step-by-step explanation:

in ∆ACD

AC^2=AD^2+CD^2

CD=2.4

CD^2=AD×BD

BD=3.2

THEN AB=5

BY HYPOTHESIS THEOREM

CB=4

Area ∆ABC=1/2×hight ×base

=1/2×4×3

=6