1. Set each point in the polygons to be inside their region that they belong by using input. [br]Write IsInRegion(, ) such as IsInRegion(A,polygon 3) Apply this for all polygons and their regions. [br][br]2. Write a random text called 'anstxt' by using [icon]/images/ggb/toolbar/mode_text.png[/icon][br][br]3. Costruct a button called 'Check your answer ' by using [icon]/images/ggb/toolbar/mode_buttonaction.png[/icon] , link this button with anstxt and write inside of this button that: [br]If( (a==o+a_1+b_1+c_1+d_1+n_1+o_1+p_1+s_1)&&(b==t_1+u_1+v_1+w_1+a_2+b_2+c_2+d_2+n_2)&&(c==o_2+p_2+q_2+r_2+s_2+t_2+u_2+v_2+w_2),SetValue(anstxt,"Your answer is correct!" ),SetValue(anstxt,"Your answer is incorrect!")) [br][br]If( (a==o+a_1+b_1+c_1+d_1+n_1+o_1+p_1+s_1)&&(b==t_1+u_1+v_1+w_1+a_2+b_2+c_2+d_2+n_2)&&(c==o_2+p_2+q_2+r_2+s_2+t_2+u_2+v_2+w_2), SetBackGroundColor(anstxt,Green), SetBackGroundColor(anstxt,Red))[br][br]4. Also, write inside of the button called 'Get a Random Number' that: [br]SetValue(anstxt,"Your answer is...") SetBackGroundColor(anstxt, White) [br][br][br][br]