SOLUTION: I could really use some help on this problem please! I'm trying to find the diameter of a circle with the two points (-1, 0) and -9, -8). This is what I've come up with, but

Question 1040625: I could really use some help on this problem please!
I'm trying to find the diameter of a circle with the two points (-1, 0) and -9, -8).
This is what I've come up with, but I"m not sure if it's correct:
√((-1-(-9) )^2+(0-(-8))^2)
8^2 + 8^2
64 + 64
128
Any help is greatly appreciated!
Found 2 solutions by jim_thompson5910, ikleyn:
Answer by jim_thompson5910(35256) (Show Source): You can put this solution on YOUR website!
You're doing great. Now you need to take the square root of that to get

So the exact diameter is units

Use a calculator to find that

----------------------------------------------------------------

Exact Diameter = units
Approximate Diameter = units
Answer by ikleyn(52776) (Show Source): You can put this solution on YOUR website!
.
You forgot to mention in your post that these points are endpoints of the diameter of the circle.

Without this info the solution is not unique.

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