The perimeter is the total distance around the edge of a 2D shape. Examples of units of distance are millimetres (mm), centimetres (cm) and metres (m). The perimeter of any 2D shape can be found by ...
A garden is in the shape of a rectangle measuring \(16.3m\) by \(12.4m\). The gardener marks out the two diagonals and decides to sow grass seeds on one of the four triangles formed by the ...