1.	What is the shape of the intersection of a sphere and a horizontal plane?
		A.	square	B.	triangle
		C.	trapezoid	D.	circle
		Hint
	2.	What is the locus of all points in space that are 6 units from a given point?
		A.	circle of radius 36 units.
		B.	sphere of radius 6 units.
		C.	circle of radius 6 units.
		D.	sphere of radius 36 units.
		Hint
	3.	Which description corresponds to the boundary below?
		A.	all points in space that are 4 units from a given point
		B.	all points in a plane that are 4 units from a given point in that plane
		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.	circle with center Y	B.	midpoint of
		C.	circle with center X	D.	perpendicular bisector 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 right cylinder with height 7 and radius 2 and hemispheres with radius 2 on each end of the cylinder.
		B.	A sphere of radius 7.
		C.	A sphere of radius 3.5.
		D.	A right cylinder of radius 1 and height 7 and hemispheres with radius 1 on each end of the cylinder.
		Hint