A chocolate company produces different sizes of chocolate bars that are packaged in equilateral triangular prisms. Here is the 100-g chocolate bar.
Height- 3.1cm
Lenght-3.5cm
Wide- 21cm

a. Calculate the volume of the box.
b.The company produces a 400-g chocolate bar. It has the same shape as the 100-g bar.
i. What are the possible dimensions for the 400-g box?
ii. How are the dimensions of the two boxes related?