HONORS GEOMETRY FINAL EXAM REVIEW #7
ANSWERS
ALWAYS, SOMETIMES, OR NEVER
1.
three points are collinear.
S
2.
three points are coplanar.
A
3.
a segment has two trisection points.
A
4.
adjacent angles are supplementary.
S
5.
a line may intersect a plane at more than one point but still not be in the plane.
6.
a rhombus is a square.
7.
a triangle has two acute angles.
8.
a rectangle is a kite.
9.
in 3-dimensions, if two lines are parallel to the same line, then all three are coplanar. S
10.
a line that intersects a plane is only perpendicular to one line in the plane.
11.
a plane intersects another plane at exactly one point.
12.
if two triangles are congruent, then they are also similar.
13.
if two lines are parallel to the same plane, then they are parallel to each other.
14.
a trapezoid is a rectangle.
N
S
A
S
S
N
A
N
DESCRIBE EACH AS SPECIFICALLY AS YOU CAN
15.
16.
17.
parallelogram
rectangle
kite
S
HONORS GEOMETRY FINAL EXAM REVIEW #2
ANSWERS
ALWAYS, SOMETIMES, OR NEVER
1.
four points are collinear.
S
2.
a line segment has two midpoints.
N
3.
adjacent angles are complementary.
S
4.
two lines do not intersect and are not parallel.
5.
a square is a rhombus.
6.
four points are coplanar.
7.
a triangle has two obtuse angles.
8.
a kite is a rhombus.
9.
on a plane, if two lines are parallel to the same line, then all three are parallel.
10.
in space, two lines are parallel and are not coplanar.
11.
two non-parallel planes intersect at a line.
12.
two similar triangles are congruent.
13.
if two lines are parallel to the same line, then they are parallel to each other.
14.
a trapezoid is a rectangle.
15.
a line is perpendicular to exactly two lines in a plane.
S
A
S
N
S
A
N
A
S
N
N
DESCRIBE EACH AS SPECIFICALLY AS YOU CAN
15.
16.
17.
rhombus
parallelogram
rectangle
A
GEOMETRY FINAL EXAM REVIEW #3
ANSWERS
Always, Sometimes, or Never ( A, S, N )
1.
If a median of a triangle is also an altitude, then it is an angle bisector.
2.
The diagonals of a parallelogram are congruent.
S
3.
The diagonals of a rhombus are perpendicular.
A
4.
A plane can be perpendicular to two skew lines.
N
5.
A quadrilateral has exactly two right angles.
S
6.
If a plane contains one of two skew lines, it contains the other.
7.
If a line is perpendicular to two sides of a triangle,
it is perpendicular to the median drawn to the third side.
8.
N
A
LIST THE WAYS WE KNOW TO PROVE TRIANGLES CONGRUENT
SSS SAS ASA HL
9.
A
AAS
List the ways to determine a plane.
3 non collinear points
2 parallel lines
2 intersecting lines
a line and a point not on that line
10.
List the ways to prove that two triangles are similar. ( which one will we never use ? )
AAA
AA
SSS~
SAS~
WHAT IS WRONG WITH EACH OF THE FOLLOWING ?
11.
4+5 not > 9
SOLVE FOR X.
14.
x=6
12.
biggest angle not across from biggest side
13.
not pyth THM
15.
x = 20
16.
Which of the following is NOT a method for proving triangles congruent ?
A. ASA
B. SAS
C. AAA
D. SSS
E. HL
17.
CPCTC is:
B. a way to prove sides or angles in congruent triangles are congruent
18.
If a line is oblique to a plane,
it is _____ line in the plane passing through its foot.
D. perpendicular to exactly one ...
19.
If  ABC   BAC, then  ABC is:
A. isosceles
22.
Find the sum of the interior angles of a 50-gon.
8640
23.
Find the sum of the exterior angles of a 50-gon.
360
24.
Find the measure of each interior angle of a regular 50-gon.
172.8
25.
Find the measure of each exterior angle of a regular 50-gon.
7.2
26.
Find the number of diagonals in a 50-gon.
1,175 diagonals