in the following diagram of parallelogram abcd, angle ADC = 116 degrees, Ab = fb, and EF is perpendicular to AD. Which of the following is the measure of angle EFB

Use photo math it it’s so good

This is what i found “an explicit formula designates the nth term of the sequence, as an expression of n (where n = the term's location). it defines the sequence as a formula in terms of n. this example is an arithmetic sequence(the same number, 5, is added to each term to get to the next term).” i hope this you for what your looking for. can you plz mark me brainliest?