Question

help!

Answer 1

I think that Statement 3 is the answer.
Angle 90 degree(Common angle)
OD=OB(radii of circle)
Angle SOD=Angle TOB(vertically opposite)((this step may be wrong))
Therefore triangle ODS is congruent to triangle OTB

Answer 2

okay, thanks!

Answer 3

@ganeshie8 can you check to see if my answer correct or not plz??

Answer 4

looks great ! except

Angle SOD=Angle TOB(vertically opposite)((this step may be wrong))

i have the same feeling as u.. they are not vegrtically opposite angles

Answer 5

still i also think that Statement 3 is the answer.

Answer 6

thank you so much guys!