1.	Which of the following is not one of the five essential parts needed to construct a good proof?
		A.	Assume what you are trying to prove is true.
		B.	List the given information.
		C.	State the theorem to be proved.
		D.	If possible, draw a diagram to illustrate the given information.
		Hint
	2.	Which of the following statements is not a postulate?
		A.	Points that lie of the same plane are said to be coplanar.
		B.	If two lines intersect, then their intersection is exactly one point.
		C.	A plane contains at least three points not on the same line.
		D.	Through any two points, there is exactly one line.
		Hint
	3.	In the figure, points A, B, and C lie in plane Z. Which of the following postulates can be used to show that A and B are collinear?
		A.	If two lines intersect, then their intersection is exactly one point.
		B.	Through any three points not on the same line, there is exactly one plane.
		C.	If two planes intersect, then their intersection is a line.
		D.	Through any two points, there is exactly one line.
		Hint
	4.	Determine the number of line segments that can be drawn connecting pairs of points shown.
		A.	8	B.	10
		C.	6	D.	4
		Hint
	5.	If and lie in plane P. Which of the following postulates can be used to show that lies in plane P?
		A.	A plane contains at least three points not on the same line.
		B.	If two points lie in a plane, then the entire line containing those points lies in that plane.
		C.	If two planes intersect, then their intersection is a line.
		D.	Through any two points, there is exactly one line.
		Hint