Transversal t cuts parallel lines a and bas shown in the diagram. Which equation is necessarily true?

Option D is correct

Step-by-step explanation:

Using the given diagram, we want to know the equation that is true

Option A is wrong as both are on a straight line and in fact should add up to equal 180 and not be equal to each other

Option B is not correct as both are supplementary and does not equal each other

Option C is not correct, both are corresponding to each other and should not add up to 90

Option D is correct

Both angles are supplementary as they are exterior angles that add up to 180

; )

step-by-step explanation: ; )

answer: i don't understand it

step-by-step explanation: sorry