When taking measurements using the rectangular or triangular coordinate system to describe the position of an object, what is the minimum number of reference points that should be chosen?
A) One
B) Two
C) Three
D) Four
E) Five

Question

Quizplus · Accepted Answer

Two reference points are needed to describe the position of an object in a rectangular or triangular coordinate system. These two reference points are usually the x-axis and y-axis or two perpendicular lines that intersect at the origin.

When Taking Measurements Using the Rectangular or Triangular Coordinate System