Answer:
0.5128
0.1176
77
Step-by-step explanation:
66 is your answer if you need anything else ask someone
Step-by-step explanation:
(n-2)×180=3420
180n-360=3420
180n=3420+360
180n=3780
n=3780/180
n=21
that is, the number of sides is 21
to get the size of each exterior angle=
360/21
=17.14°
Answer:
yeah pretty much
Step-by-step explanation: