Step-by-step explanation:
8 because 24 ÷3=8 so yeah
1.
Multiply 2y by 4y because they are similar
8y=8
8/8=1
The answer is D just so you know
It equals 5/6. If you want to know why, just ask me.
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°