Surface Area of a Triangular Pyramid, please help!

The rows and columns of lattice points in a three-by-three square array are evenly spaced one unit apart. how many distinct triangles with at least one side of length 2 units can be drawn using three lattice points for the vertices?

10% of 1,900,000. show me how you got the answer

M.xyz =radians. covert this radian measure to its equivalent measure in degrees.