GEOMETRY : SHAPES!
[youtube]https://www.youtube.com/watch?v=gzS78Wc0O5U&list=PLlG8Y2sj2t1FAvLBullPtHXDiSwDDYH7a&index=5[/youtube]
[youtube]https://www.youtube.com/watch?v=TJhfl5vdxp4&list=PLdkj6XH8GYPQ1UmSJ3eSfcfF9QnibFv1l&index=19[/youtube]
[youtube]https://www.youtube.com/watch?v=03pyY9C2Pm8[/youtube]
[youtube]https://www.youtube.com/watch?v=AnoNb2OMQ6s[/youtube]
[youtube]https://www.youtube.com/watch?v=pfRuLS-Vnjs[/youtube]