A police department has set up a speed enforcement zone on a straight length of highway.A patrol car is parked parallel to the zone, a = 210 feet from one end and b = 130 feet from the other end (see figure) . 
Find the length l of the zone.Round your answer to two decimal places.
Definitions:
Recessionary Gap
A situation where the real Gross Domestic Product (GDP) is lower than the potential GDP, indicating underutilization of resources.
Multiplier
In economics, a factor by which an initial change in spending leads to a greater change in income and overall economic activity.
National Debt
The total amount of money that a country's government has borrowed, typically through issuing securities.
Fiscal Policy
Government policies related to taxation and spending that aim to influence economic conditions.
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