Mathematics for IGCSE & O level - Geometrical Constructions (Section 2 - No. 44)
Which of the following are key points to remember when drawing geometrical constructions?
Straight lines should be drawn and measured to an accuracy of 1mm.
Angles between lines should be drawn and measured to an accuracy of 5°.
You should use a ruler for all straight lines.
A set is a 2D shape that will fold up to make a 3-dimensional (3-D) object.
解释
All the points given are key steps.