4.9 Mensuration of 2D shapes

convert metric measurements, including linear and area units such as cm² and m²

find the perimeter of shapes made from triangles and rectangles

find the area of simple shapes using the formulae for the areas of triangles and rectangles

find the area of parallelograms and trapezia

find circumferences and areas of circles using relevant formulae; find perimeters and areas of semicircles

find perimeters and areas of sectors of circles Radian measure is excluded