The perimeter of a shape is the distance around the outside. It is a length so is measured in mm, cm, m, km or any other unit of length. 1. Calculate the lengths of the missing sides. The total height ...

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The perimeter is the total distance around the edge of a 2D shape. Since it is a length, the metric units for perimeter are millimetres (mm), centimetres (cm), metres (m) and kilometres (km).

Maths Three Dimensional Geometry Formulas: The class 12 mathematics course is predominantly calculus based but there are other chapters that hold significant importance and marks weightage in exams.