Properties of altitudes of a right triangle

Find the equation of line passing through 1, 2and - 1,5​

Agreen colored large code is cut into small identical cubes with 6 cuts. the cube is cut with a knife which applies red color to the surface of the smaller cubes formed on cutting the largecube. the given question is based on the cubes obtaines after these cuts are madehow many smaller cubes have their 3 faces colored green and 3 faces colored red?

Successive division method of 225and 315​