Question

plz answer fast it is very important question​

Answer 1

Answer:

9 sides is ur answer

Step-by-step explanation:

Since the exterior angle 140 degrees, The sum of the interior angles = (2n - 4) right angles. So 140n =(2n - 4)* right angles, or

140n =(2n - 4)*90, or

140n = 180n - 360, or

40n = 360, or

n = 9 sides.