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

Answer:c
explanation: its 90 degrees
good luck!
Answer:
CBA=MNP
Step-by-step explanation:
Side NP=CB
Side NM=AB
then the angles between those sides are equal