Question

Answer my question... please help !​

Answer 1

Answer:

BD=10root3 CD= 20root3

Step-by-step explanation:

given that

AB=30    angle b=90     angleCAD=30  angle DAB=30

in triangle ABD = TAN30 = DB/AB=1/root3

DB/30=1/root3

DB=10root3

cos60 =AB/AC=1/2

AC=60 CM

ACCORDING TO PYTHAGORAS THEOREM

sin 60 = CB/AC=roo3/2

CB=20root 3