1.	A ______________ is a logical argument in which each statement is backed up by a statement that is accepted as true.
		A.	postulate	B.	definition
		C.	theorem	D.	proof
		Hint
	2.	Which of the following is not one of the five essential parts needed to construct a good proof?
		A.	If possible, draw a diagram to illustrate the given information.
		B.	Develop a system of inductive reasoning.
		C.	List the given information.
		D.	State the theorem to be proved.
		Hint
	3.	A _________ is a statement that describes a fundamental relationship between the basic terms of geometry and is accepted as true.
		A.	proof	B.	definition
		C.	theorem	D.	postulate
		Hint
	4.	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.	42	B.	7
		C.	15	D.	21
		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.	Through any two points, there is exactly one line.
		C.	If two planes intersect, then their intersection is a line.
		D.	If two points lie in a plane, then the entire line containing those points lies in that plane.
		Hint