Answer:
A regular polygon with each interior angle of 170 deg will have each exterior angle as 180–170 = 10 deg. Hence the number of sides in the regular polygon = 360/10 = 36 sides.
Hope this helps
Step-by-step explanation:
-7d+50d+-30= 43d+-30
4 is correct answer.
That because it contains property of communicative. That is a×b=b×a.
the present of decrease is around 1.92%
