1.	A ______________ is a logical argument in which each statement is backed up by a statement that is accepted as true.
		A.	postulate	B.	proof
		C.	theorem	D.	definition
		Hint
	2.	A _________ is a statement that describes a fundamental relationship between the basic terms of geometry and is accepted as true.
		A.	definition	B.	theorem
		C.	postulate	D.	proof
		Hint
	3.	Which of the following statements is not a postulate?
		A.	A plane contains at least three points not on the same line.
		B.	Points that lie of the same plane are said to be coplanar.
		C.	If two lines intersect, then their intersection is exactly one point.
		D.	Through any two points, there is exactly one line.
		Hint
	4.	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.	Through any three points not on the same line, there is exactly one plane.
		B.	Through any two points, there is exactly one line.
		C.	If two lines intersect, then their intersection is exactly one point.
		D.	If two planes intersect, then their intersection is a line.
		Hint
	5.	A group of 7 people get together for a meeting. Before the meeting starts, they each shake hands with every person at the meeting. If a person only shakes hands with another person once, how many handshakes were there before the meeting began?
		A.	7	B.	42
		C.	15	D.	21
		Hint