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:
8.0
Step-by-step explanation:
eight inch big ooo thats the pick
45x+75y=1410 i hope this helps bc i’m pretty sure i’m learning the same thing but i hope this helps
1,3 is correct can i be brainliest
Answer:
x+36y
Step-by-step explanation:
i did it and got a 100%