Construct it
The constructions this book asks for, with a ruler, a compass and a sharp pencil. Pick a set of values, construct it on paper one step at a time, and check each step against the drawing. Every drawing is at true size.
- Angles with a compass 60°, 120° and 90°, and 30° and 45° by bisecting Unit 13 · Lines and Angles
- More angles with a compass 15°, 75°, 105°, 135° and 150°, each by bisecting Unit 13 · Lines and Angles
- Copying an angle An angle equal to a given one, with a compass Unit 13 · Lines and Angles
- A triangle from its measures Three sides, two sides and the angle between, or a side and two angles Unit 14 · Plane Figures
