1.	How many faces does an octahedron have?
		A.	4	B.	12
		C.	8	D.	6
		Hint
	2.	What is the locus of all points in a plane that are 3 units from a given point in that plane?
		A.	circle of radius 9 units.	B.	segment of length 3 units.
		C.	circle of radius 3 units.	D.	sphere of radius 3 units.
		Hint
	3.	Which description corresponds to the boundary below?
		A.	all points in a plane that are 4 units from a given point in that plane
		B.	all points in space that are 4 units from a given point
		C.	all points in a plane that are 4 units from a given segment in that plane
		D.	all lines in a plane parallel to a given line in that plane
		Hint
	4.	What is the locus of all points in a plane that are equidistant from two distinct points X and Y in that plane?
		A.	midpoint of	B.	circle with center Y
		C.	circle with center X	D.	perpendicular bisector of
		Hint
	5.	What is the locus of points in a plane that are less than 4 units from a given point in the plane?
		A.	The interior region of a circle of radius 4.
		B.	A circle of radius 4.
		C.	A sphere of radius 4.
		D.	The interior of a sphere of radius 4.
		Hint