Question

http://gyazo.com/2787ca3ca620af066010322bb7912ae5
I want to say this is isosceles because of the -10 but the other part isn't the same so would it be scalene. here are the options.
right

isosceles

scalene

equilateral

Answer 1

use the distance formula which says that distance between two points (x1,y1) and (x2,y2) is\[\sqrt{(x2-x1)^2+(y2-y1)^2}\]

Answer 2

But there is 3 parts how would I use the distance formula for that?