Question

in the straightedge and compass construction of the perpendicular line below, how do you know that AB l CD?

Answer 1

Answer: it’s C. / “the angles at the intersection of the two lines can be proven to be congruent and supplementary, so they meet at a right angle and the lines are perpendicular”

Step-by-step explanation: A P E X

Answer 2

The answer is B

(Correct me if i am wrong)