Answer:
160°
Step-by-step explanation:
-Given the angle in radians as 
-We know that 
-Let our angle theta be X
#We therefore equate and cross multiply:

Hence, angle θ is 160°
Answer:
1. No
2. No
3. No
4. Yes
5. Yes
Step-by-step explanation:
Answer:
67
Step-by-step explanation:
Step-by-step explanation:
EF is a segment so it's a line with the end points as E and F. Line RS bisects(cuts in half) line EF. Then where the two lines meet is where A is.
Hope this helped.
Answer:
(a + b) and (a - b)