hi,
the instruction here is to give with reasons ATS and TDS in terms of x...please help me...thank you very much..
Have you been given any more info, like parallel lines or anything.....
no Melody..just this..
Circles
see: https://web2.0calc.com/questions/circles_24#r1
As soon as I drew it myself the answers (or how to find them) become obvious.
ABCD and ABST are both cyclic quadrilaterals
Opposite angles in cyclic quads are always supplementary.
You can probably do it yourself now :)