Http://ncert.nic.in/ncerts/l/gemp109.pdf
see if it helps if not I am sorry
If a flight departs from Pittsburgh at 7:55 a.m. and arrives in San Diego at 9:20 a.m.,
How long is the flight?
SOLUTION
9. 20 am - 7. 55 am = 1 hour 25 mins
Answer:
Yes
Step-by-step explanation:
Supplementary angles are a set of angles that always add up to 180 degrees.