Vertical angles are equal
7x - 19 = 4x + 2
7x - 4x = 2 + 19
3x = 21
x = 21/3
x = 7
m∠ABC = 4x + 2 = 4*7 + 2 = 28 + 2 = 30°
(2x + 3) + (x+1) + (3x-10) = 180
6x - 6 = 180
6x = 186
x= 31
I wrote process on this picture I hope it’ll helpful to you
The answer is... Five less than C
Answer:
B
explanation:
I am sorry that I am not sure how to expalin but this is the correct answer.
