<span>Distance formula is used to prove that line segments are congruent and the lengths are equal.
Here is the distance formula :
</span><span>sqrt [(x2-x1)^2 + (y2-y1)^2]
</span>Hence the right answer is :
<span>a. congruent sides</span>
That would be b
hope this helps
Answer:it’s y+3=6x
Step-by-step explanation: