19.79 should be the correct answer?
Total surface area is 152 cm
Guatemalans would use milliliters because they use the metric system which is common throughout Latin America and which is basically easier to use than the Imperial system because it is all divisible by 10 whether it be millitres,litres,meters, kilometers etc.
Answer:
The first one 10 units would be the perimenter of the tenth figure.
