If a standard drinking straw is 19.5 cm long and has a diameter of 0.6 cm how many square centimeters of plastic are used in one straw?
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