1.	How many faces does an octahedron have?
		A.	8	B.	12
		C.	4	D.	6
		Hint
	2.	What is the shape of the intersection of a sphere and a horizontal plane?
		A.	circle	B.	triangle
		C.	trapezoid	D.	square
		Hint
	3.	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 3 units.	B.	circle of radius 9 units.
		C.	segment of length 3 units.	D.	sphere of radius 3 units.
		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.	circle with center Y	B.	circle with center X
		C.	perpendicular bisector of	D.	midpoint of
		Hint
	5.	What is the locus of points in space that are 2 units from a given line segment 7 units long?
		A.	A sphere of radius 3.5.
		B.	A right cylinder of radius 1 and height 7 and hemispheres with radius 1 on each end of the cylinder.
		C.	A sphere of radius 7.
		D.	A right cylinder with height 7 and radius 2 and hemispheres with radius 2 on each end of the cylinder.
		Hint