Can someone please explain to me how to solve this problem? I have the answer already all I need is to know how to solve the problem.

Consider the following estimates from the early 2010s of shares of income to each group. country poorest 40% next 30% richest 30% bolivia 10 25 65 chile 10 20 70 uruguay 20 30 50 1.) using the 4-point curved line drawing tool, plot the lorenz curve for bolivia. properly label your curve. 2.) using the 4-point curved line drawing tool, plot the lorenz curve for uruguay. properly label your curve.

Find the ratios of the corresponding sides

I'm a polygon i have no parallel lines i am formed 3 line segments i have one right angle two of my angles are angles what am i