1.	What is a polyhedron?
		A.	cylinder	B.	pyramid
		C.	cone	D.	sphere
		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.	What is the locus of all points in space that are 6 units from a given point?
		A.	circle of radius 6 units.
		B.	circle of radius 36 units.
		C.	sphere of radius 36 units.
		D.	sphere of radius 6 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.	perpendicular bisector of
		C.	midpoint of	D.	circle with center X
		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.	A sphere of radius 4.
		B.	The interior region of a circle of radius 4.
		C.	A circle of radius 4.
		D.	The interior of a sphere of radius 4.
		Hint