Question

please help!! 1 medal and fan question
Determine whether the conditional and its converse are both true. If both are true, combine them as a biconditional. If either is false, provide a counterexample.

If two lines are parallel, they do not intersect.
If two lines do not intersect, they are parallel.

One statement is false. If two lines are parallel, they may intersect twice.
One statement is false. If two lines do not intersect, they could be skew.
Both statements are true. Two lines are not parallel if and only if they do not intersect.
Both statements are true. Two lines are parallel if and only if they do not intersect.

Answer 1

What is the definition of parallel lines?

Answer 2

parallel lines are two or more lines that don't intersect.

Answer 3

Let me draw two lines that don't interesct. Then you tell me if they are parallel or not. Ok?

Answer 4

there not if they interscet so why draw them

Answer 5

i meant they are

Answer 6

Here is a cube.
Now I'm going to extend two edges into two lines that do not intersect. Look at the next drawing and tell me if the two lines are parallel.

Answer 7

The two lines drawn in black do not intersect.
Are they parallel?