Answer:
Step-by-step explanation:
What do you need help on?
Answer:
line DC
Step-by-step explanation:
Hello,
2 different points define a line, right?
so you can exclude the two first answers as they involve 1 and 3 points.
There is no point M, right? you can get rid of the third answer.
There are the two points D and C which defines the line DC which is m
thanks
Answer:
30
Step-by-step explanation:
i think that cause the lines are perpendicular and if one side is a certain number the other is going to be the same, such as symmetrical things.