Answer:
nothing
Step-by-step explanation:
all of them seem to be right. if you need practice work on alternate interior angles, exterior angles
Answer:
-2/3
Step-by-step explanation:
Triangle ABD and ADC are righttriangles so u can use the Pythagorean theorem/triples. the triples are 3/4/5 and 5/12/13. 12 is 4x3, and 15 is 5x3, so BD is 3x3, which is 9. AC is 13, as it is part of the Pythagorean’s triples