Question

in the given figure, AB//CD. find the measure of angle ABC​

Answer 1

Answer:

we need to use transversal lines to find angles

Step-by-step explanation:

in there

70+ACD+40=180(from transversal)

ACD=70

ACB=40

then in ∆ABC

a+b+c=180

a=70. b=?? c=40

70+b+40=180

b=40

that's it ❤️