Need help in geometry?

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• MATH ANTICS.. intro to quadrilaterals (UNKNOWN ANGLES)  ….https://www.youtube.com/watch?v=yiREqzDsMP8
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• MATH ANTICS….AREA….https://www.youtube.com/watch?v=xCdxURXMdFY
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• MATH ANTICS… PERIMETER….https://www.youtube.com/watch?v=AAY1bsazcgM
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• BASIC INTRO TO POLYGONS….https://www.youtube.com/watch?v=IaoZhhx_I9s
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• AREA OF POLYGONS…..https://www.youtube.com/watch?v=DGJslsLFcX8
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• Basic AREA OF COMPOSITE SHAPE: https://www.youtube.com/watch?v=pcxO9UDT31s
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• AREA OF COMPOSITE SHAPE… Step by step: https://www.youtube.com/watch?v=8iitgUeDnqQ
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• AREA OF COMPOSITE SHAPE….https://www.youtube.com/watch?v=mmKJ_5Mv4Jo
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• AREA OF A COMPOSITE SHAPE: https://www.youtube.com/watch?v=by9-_95Zn08