Mathematics for IGCSE & O level - Geometrical Constructions (Section 1 - No. 5)
Which of the following statements are true regarding the construction of a triangle, given the lengths of three sides?
Draw a rough sketch first.
Use a ruler to measure the sides.
Use a protractor to construct the angles.
Use a compass to draw arcs to find the vertices.
解释
A ruler and compass are used when constructing a triangle.