Step-by-step explanation:
c is the correct answer
Answer:
The measure of angle RST is 
Step-by-step explanation:
see the attached figure to better understand the problem
we know that
-----> equation A
-----> equation B
equate equation A and equation B




The measure of angle RST is equal to

This is how i worked it out.
Good Luck
Answer:
b c and f edit: also A
Step-by-step explanation:
just gotta find what is reflexive