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 ...

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.