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:
336
Step-by-step explanation:
The first year added $18 so just double the lat 2 digits
Answer:
<em>see</em><em> </em><em>explanation</em>
Step-by-step explanation:
f(x)= -2(x²+8x+16)-5

I believe the answer is A or C because capital letters are used to name a point
Answer:
Step-by-step explanation: