A drone flies 120 km north, then 50 km east. What is the straight-line distance from its starting point, in kilometers, to the nearest tenth?

Thu, 16 Apr 2026 04:30:03 +0000

**How Far Is a Drone Really From Its Starting Point? The Math Behind This Thoughtful Flight Path**
When a drone soars 120 kilometers due north, then 50 kilometers east, many wonder: what’s the direct straight-line distance from where it launched to its final position? This isn’t just a trivia question—this calculation reflects growing interest in accurate navigation, drone technology, and real-world geospatial reasoning. With increasing conversations around aerial logistics, delivery drones, and precision flights in the U.S., understanding the truth behind this route matters more than ever. **Why This Route Sparks Interest**
The combination of north and east movement produces a diagonal displacement—essentially forming a right triangle. Despite the complexity of directional travel, the math behind determining the shortest path back to the origin is direct and precise. This kind of spatial reasoning resonates with users exploring geography, travel efficiency, and modern drone applications, making it a timely topic in today’s digital landscape. **Breaking Down the Calculation: The Street-View Math**
To find the straight-line distance, we use the classic Pythagorean principle—applying the square root of the sum of squared legs. Here, the drone’s path creates two perpendicular legs: 120 km north and 50 km east. Squaring these values gives 14,400 km² and 2,500 km² respectively. Adding them yields 16,900 km², and taking the square root results in 130 km. To the nearest tenth, the direct distance is 130.0 kilometers. This result confirms that, regardless of the direction, the drone’s shortest path back to start is a clean, measurable 130 km—showing how geometry brings clarity to complex movements.