First we press the tool copy and then select the line that put a “d” and we paste the letter “p” and we press the tool circle and we start to do the circle in the point “p” until you get at the final point line of “P” and then you have it.
Draw a line from “a” to “b” then press the command to draw perpendicular line from curve select option point on curve later select the Green line then the select the middle point, click the option both sides and you have it .
First we press offset curve then measure the line “d” then press the line “r” and later and you click and then you repeat but on the other side.
First we press offset curve then measure the line “d” later press the line “c” and finally you repet but on the other side and you have it.
First we press the command polyline and then click on the option distance, change the distance to 2 and click the line “r” , it will appear the parallel of the line “r” and when you finish putting on both side you will later you have to do the same but on the line “s” and you have 2 lines on each side of the letter. Finally you will have to cross the line on red and do it 2 times to have a cross and in the center of the cross you will have the center of the line “r” and “s” and finally you have the solution.