What third force, F must be added to the following two vectors so that the resultant force is zero?

What third force, F must be added to the following two vectors:

F1 = 120N, 110 degrees from + x-axis
F2 = 60N, 200 degrees from + x-axis

so that the resultant force is zero?

What is a VPN?

VPN is (Virtual Private Network) were first used by companies to enable their employees to securely access internal systems such as email remotely (e.g. from home or while on business trips). Today they are increasingly being used for personal use by individuals to protect their privacy while online in public places (e.g. when using the wi-fi connection in a cafe) or in a country where the internet is censored / blocked (e.g. China, Saudi Arabia…).