Use a ruler ... Mark the angle and draw a line from the endpoint through the mark. Where the lines intersect is the position of the third vertex. Remember to label the side, vertices and the angles, ...

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In the days since GPS was invented, many of us have lost the skill of navigating by a good old compass and map. As a family on the road in a 1991 Airstream Motorhome, we were early adapters to the GPS ...