The given values of this
problem are:
Length = 19. 5 cm
Width (diameter) = 0.6 cm
The unknown is: how much
square cm of plastic are used in one straw? In other words the area of the
straw.
Derivations and solutions:
Area = length x width
Area = 19. 5 cm x 0.6 cm
Area = 11.7 cm(squared) / 11.7
cm^2
