It can be made from a big triangle and the rhombus.
Place the triangle so that its long side is vertical. Place the rhombus so that its acute vertex touches the top vertex of the triangle and the rhombus's side aligns with the side of the triangle.
The following is a crude attempt to illustrate - it is the best that this browser will allow.
t\rrrr
tt\rrrr
ttt\rrrr
tttt\rrrr
ttttt
tttttt
ttttt
ttt
tt
t
Chat with our AI personalities