Answer :
there are five points so the figure is a pentagon
AB=BC=CD=x cm
2x cm =DE
so assume so AB+BC+CD+DE=x+x+x+2x or 5x=AE
2.
T=h cm
S=h cm-4
AB=BC=CD=x cm
2x cm =DE
so assume so AB+BC+CD+DE=x+x+x+2x or 5x=AE
2.
T=h cm
S=h cm-4