Angles in triangles and quadrilaterals - KS3 Maths - BBC Bitesize
![](https://ichef.bbci.co.uk/images/ic/1200xn/p0dg5wls.png)
![](https://ichef.bbci.co.uk/images/ic/480x270/p0dg28rc.png)
Angles in triangles and quadrilaterals - KS3 Maths - BBC Bitesize
![](https://ichef.bbci.co.uk/images/ic/480x270/p0dg2xgv.png)
Angles in polygons - KS3 Maths - BBC Bitesize
![](https://ichef.bbci.co.uk/images/ic/480xn/p0dg53p5.png)
Angles in triangles and quadrilaterals - KS3 Maths - BBC Bitesize
Quadrilaterals - Angles, lines and polygons - Edexcel - GCSE Maths Revision - Edexcel - BBC Bitesize
![](https://ichef.bbci.co.uk/images/ic/480xn/p0dxc7hf.png)
Properties of quadrilaterals - KS3 Maths - BBC Bitesize
![](https://ichef.bbci.co.uk/images/ic/480x270/p0dbrbh4.png)
Drawing and measuring angles - KS3 Maths - BBC Bitesize
![](https://ichef.bbci.co.uk/images/ic/480x270/p0dbrbhg.png)
Drawing and measuring angles - KS3 Maths - BBC Bitesize
Triangles - Angles, lines and polygons - Edexcel - GCSE Maths Revision - Edexcel - BBC Bitesize
Angles in a parallelogram - Angles in triangles and quadrilaterals - 3rd level Maths Revision - BBC Bitesize
![](https://ichef.bbci.co.uk/images/ic/480x270/p0dbrbj3.png)
Drawing and measuring angles - KS3 Maths - BBC Bitesize
2D and 3D shapes - BBC Bitesize
![](https://ichef.bbci.co.uk/images/ic/480x270/p0dbrsdp.png)
Drawing and measuring angles - KS3 Maths - BBC Bitesize
![](https://ichef.bbci.co.uk/images/ic/480x270/p0dg2xf3.png)
Angles in polygons - KS3 Maths - BBC Bitesize