IGCSE Maths Edexcel A 4MA1

recognise and give the names of polygons

To include parallelogram, rectangle, square, rhombus, trapezium, kite, pentagon, hexagon and octagon

understand and use the term ‘quadrilateral’ and the angle sum property of quadrilaterals

The four angles of a quadrilateral are $90°$, $(x + 15)°$, $(x +25)°$ and $(x + 35)°$. Find the value of $x$

understand and use the properties of the parallelogram, rectangle, square, rhombus, trapezium and kite

understand the term ‘regular polygon’ and calculate interior and exterior angles of regular polygons

understand and use the angle sum of polygons

For a polygon with $n$ sides, the sum of the interior angles is $(2n – 4)$ right angles

understand congruence as meaning the same shape and size

understand that two or more polygons with the same shape and size are said to be congruent to each other