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Using a GPS Handheld
Receiver to Determine the Perimeters of Polygons, Distance, and Speed 



In
this activity students use the Global Positioning System (GPS) handheld
receiver to determine their track as they walk the perimeter of several
polygons. Students will also calculate their average speed after walking a
specified distance.
Mathematics: Students will explore polygons and their properties, interior and exterior angles, conversions, trigonometric identities, the distance formula, and speed calculation. Mathematical Thinking: Students will determine bearings and distances, convert between degrees and bearings, and estimate speeds. Technology: Students will use several features on the Satellite, Compass, Position, Map, and Main Menu Pages from the GPS handheld receiver, including track, compass tape, trip, speed, waypoint, and GOTO. Screenshot: Below are images of the Main Menu and Map Pages from the Garmin GPS 12 handheld receiver.


