Question

What is the length of AA'?

Answer 1

So we want to find the length of AA'. We have the point of A and A', and we also know of the distance formula. Do you remember what it was?

Answer 2

you know the distance formula so just need us it

Answer 3

So, what are the coordinate points. We have two that we need to use A and A'

Answer 4

very nice @barstho - just step by step ,collaborate with Asker

Answer 5

@jhonyy9 Thank you 😌

Answer 6

with my pleasure - good work

Answer 7

Awesome. Now plug those points into the distance formula

Answer 8

To make it simpler:
A = (x1,y1) ==> (0,0)
A' = (x2,y2) ==> (5,2)

Answer 9

No problem. Let me know if you get stuck (: