Which of the following are among the five basic postulates of Euclidean geometry?

Check all that apply.
A. All equilateral triangles are also equiangular.
B. A circle can be drawn with any center and radius.
C. Through a point not on a given line, there is exactly one line parallel to the given line.
D. All right angles are equal to one another.

Question

Which of the following are among the five basic postulates of Euclidean geometry?

Check all that apply.
  		A. 	All equilateral triangles are also equiangular.
  		B. 	A circle can be drawn with any center and radius.
  		C. 	Through a point not on a given line, there is exactly one line parallel to the given line.
  		D. 	All right angles are equal to one another.

perl · Answer

it is true that all equilateral triangles are equiangular , but is this a postulate?

perl · Answer

It is not necessary to assume this as a postulate. We can derive it from other axioms.

campbell_st · Answer

Well I just googled it and found https://en.wikibooks.org/wiki/Geometry/Five_Postulates_of_Euclidean_Geometry

anonymous · Answer

thank you both