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