Question

Quick question!

Answer 1

here

Answer 2

u know that a straight line ,makes an angle of 180 degree

Answer 3

yes

Answer 4

u can use it ..and sum up these two angle to 180 degree

Answer 5

the sum of angle DBA and ABC give you an angle of 180

Answer 6

ok

Answer 7

So how would you form an equation from that.

Answer 8

By subtracting?

Answer 9

Sum= addition, when you add the two angle together you get an angle 180.