Prev 1 of 1 Next Sum of Angles in Triangles and Quadrilaterals Maths Revision Lesson: Maths-School GCSE Revision Sum of Angles in Triangles and Quadrilaterals Maths Revision Lesson: Maths-School GCSE Revision A video explaining how to work with missing angles in trangles and quadrilaterals for GCSE Maths. Watch the video, take notes, subscribe, then go to our website for some practice... Please visit https://maths-school.co.uk for more revision Subscribe to our channel for more revision content coming soon - click here: https://bit.ly/2Y3ggGh Prev 1 of 1 Next Post navigation Triple Brackets Missing angles in right angles, straight lines and around a point