planar geometry
posted by Tifini .
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?