Answer:
See below.
Step-by-step explanation:
Sin (4π/3) = -sqrt(3)/2
Cos(4π/3) = -1/2
Rotating the entire polygon should have no effect on its internal angles. I hope my answer has come to your help. God bless and have a nice day ahead! Feel free to ask more questions here in Brainly.
The answer is:put the equation xa+yb=1 to the slope intercept form and find its slope and y-intercept.