Which means OTX is a right angles trangle right angles at T.
Which means angle OTX = 90° .
Yes XY is a tangent.
Because A tangent makes 90° angle with the radius at that point of contact.
17 x 256=4352
sorry if this is wrong, i'm new.
1. practice, practice & more practice
2. review errors
3. master the key concepts
do not try to memorise the processes.
4. understand your doubts.
5. create a distraction free study environment
6. create a mathematical dictionary
7. apply maths to real world problems.