The triangle with vertices (0, 0), (2, -5), and (7, -3) is?

a. right.

b. equilateral.

c. isoceles.

d. scalene.

lengths are

1. √(4+25) = √29
2. √(49 + 9) = √58
3. √(25 + 4) = √34

Mmmhhh ... So what do you think?