Which statement justifies why angle abf measures 130 degrees? given: angles abd and dbc are complementary

A linear pair is two adjacent , supplementary angles

Step-by-step explanation:

Angles are supplementary when they add up to 180°

In the question,

∠ABD and ∠ABF are supplementary angles that add up to 180°

To get ∠ABF = 180°-50°=130° supplementary angles add up to 180°.This is to say angles on a straight line add upto 180°.The linear pair adjucent to one another are ∠ABD and ∠ABF

answer by yourhope:

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( - 4 , -7 )

all the lines must parallel  

step-by-step explanation:

coordinates of c = ( - 1 , 2 )

3 units left = ( -4 , 2 )

9 units down = ( - 4 , 11 )