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°
Step-by-step explanation:
3/4÷5/16
3/4×16/5
=12/5(2 2/5)
The answer is 8
Explanation-
-5x = -40
x = 8
Answer:
the answer is c because as you can see the shape is now on the other side of the side and is clockwised over