When does it make sense to use similar triangles to measure the height and length of objects in real life?

When you are creating a computer game it uses all triangles in graphics

The primarily goals of the zapatistas of mexico in 1994 were land reform and redistribution. it is also included in their demands to have a greater political and cultural autonomy for the indigenous people of chiapas and the rest of mexico.

Answergovernment control over all imports and exports;