1. Use 2 pieces to make a triangle worth 10 points.
![](../../mgifs/gifs13/tan2.jpg)
3. Use 2 pieces to make a trapezoid worth 10 points.
![](../../mgifs/gifs13/tan4.jpg)
5. Use 3 pieces to make a 16-point square.
![](../../mgifs/gifs13/tan6.jpg)
![](../../mgifs/gifs13/tan7.jpg)
![](../../mgifs/gifs13/tan8a.jpg)
![](../../mgifs/gifs13/tan8b.jpg)
![](../../mgifs/gifs13/tan9.jpg)
![](../../mgifs/gifs13/tan10.jpg)
![](../../mgifs/gifs13/tan11.jpg)
![](../../mgifs/gifs13/tan12.jpg)
![](../../mgifs/gifs2/tangram.jpg)
1. Use 2 pieces to make a triangle worth 10 points.
3. Use 2 pieces to make a trapezoid worth 10 points.
5. Use 3 pieces to make a 16-point square.