if the length of RS is 12 and the length of ST is 13 , which of the following could be the length of RT ?
A> 24 , B> 26 , C> 28 , D> 29 E> 30
not enough info posted to answer
are RS and ST parts of RT ?
Not sure if this pic will print right. Ignore if it doesn't.
R------------S-------------T
12 13
What is A ?