1.	What is a polyhedron?
		A.	pyramid	B.	cone
		C.	cylinder	D.	sphere
		Hint
	2.	What is the shape of the intersection of a sphere and a horizontal plane?
		A.	triangle	B.	square
		C.	trapezoid	D.	circle
		Hint
	3.	What is the locus of all points in a plane that are 3 units from a given point in that plane?
		A.	sphere of radius 3 units.	B.	segment of length 3 units.
		C.	circle of radius 3 units.	D.	circle of radius 9 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 X	B.	midpoint of
		C.	perpendicular bisector of	D.	circle with center Y
		Hint
	5.	What is the locus of all points in a plane that are 7 units from the line in that plane?
		A.	a line parallel to	B.	a plane parallel to
		C.	two lines parallel to	D.	a line perpendicular to
		Hint