Calculate the apothem, perimeter and area of a regular hexagon inscribed in a circle with a radius of 4 cm. P = 6 Â· 4 = 24 cm. The area of a square is 2,304 cmÂ². Calculate the area of a regular hexagon that has the same perimeter as this square.
A crane is a type of machine, generally equipped with a hoist rope, wire ropes or chains, and sheaves, that can be used both to lift and lower materials and to move them horizontally.
1 The long horizontal jib (or working arm), which is the portion of the crane that carries the load. 2  A trolley runs along the jib to move the load in and out from the crane's center: 3  The shorter horizontal machinery arm, which contains the crane's motors and electronics as well as the large concrete counter weights :n top of the slewing unit are three parts: 1  The long horizontal jib (or working arm), which is the portion of the crane that carries the load. 2  The shorter horizontal machinery arm, which contains the crane's motors and electronics as well as the large concrete counter weights 3  : The operator's cab :