I have to hand my work in in 7 hours and still haven't slept please somebody help me

80N going diagonally (up,right) and 100N right with a 60 degree angle between them or can somebody give me the formula to work it out lets call 80N F1 and 100N as F2

Please do not double post questions. Your question was asked and answered here:
https://www.askmehelpdesk.com/physics/how-do-you-work-out-magnitude-resultant-force-580590.html