How do you complete The tanagram 1 on HorseIsle

The two biggest triangles go at the bottom of the body of the tshirt to make a square. The quadrilateral thingy goes in the left arm.
The medium sized triangle goes with half of it in the right arm, half in the body on top of the first triangles.
One of the smallest triangles fits in between the medium sized triangle and the end of the shirt sleeve.
The square fits in to the right of the quadrilateral thing, on top of the big triangles.
The other smallest triangle fits into the final spot.