FRom your description < 1 and < 8 are alternate exterior angles
Answer:
There isn't a question
Step-by-step explanation:
The first mistake was made in step 1 because they took out the x’s it should be 10x-25+2x+8=43
Answer:
5x-6
Step-by-step explanation:
f(x) = 2x + 3
g(x) = 3x - 9
f(x) + g(x) = 2x + 3 + 3x-9
= 5x-6
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°