Increased technological advancement in a country improved efficiency in government and business operations hence improving the Gross Domestic Product of the country. This consequently leads to an increase in GDP per capita.
Other factors that improve GDP per capita is;
Improved exploitation of natural resources
Performing human resources
Factors that can lead to a reduction in GDP per capita are;
Set up a proportion: Central Angle/360= arc length/ circumference where the central angle= 45 and circumference= 128 ft. After you cross multiply, you should find that the answer is 16ft which is A.