| |
| |
1. |
Find  if  °. |
| |
|
 |
| |
|
A. |
50° |
B. |
140° |
| |
|
C. |
130° |
D. |
120° |
| |
|
Hint |
|
| |
2. |
Classify the triangle by its angles and its sides. |
| |
|
 |
| |
|
A. |
right and scalene |
B. |
acute and isosceles |
| |
|
C. |
right and isosceles |
D. |
acute and scalene |
| |
|
Hint |
|
| |
3. |
Find the measure of each angle in  if  °,
 °, and  is a right angle. |
| |
|
A. |
90°, 65°, 25° |
B. |
90°, 55°, 35° |
| |
|
C. |
90°, 70°, 20° |
D. |
90°, 60°, 30° |
| |
|
Hint |
|
| |
4. |
Which statement is false? |
| |
|
A. |
A rhombus is a quadrilateral. |
B. |
A rhombus is a quadrilateral with four congruent sides. |
| |
|
C. |
A rhombus is a square. |
D. |
A rhombus is a parallelogram. |
| |
|
Hint |
|
| |
5. |
Which of the following do parallelograms, rectangles, rhombi, squares, and trapezoids have in common? |
| |
|
A. |
They have at least two congruent angles. |
B. |
They have four congruent sides. |
| |
|
C. |
None of these. |
D. |
They are all quadrilaterals. |
| |
|
Hint |
|
| |
6. |
 RST and UVW are congruent. Find the value of y. |
| |
|
 |
| |
|
A. |
40 |
B. |
15 |
| |
|
C. |
45 |
D. |
60 |
| |
|
Hint |
|
| |
7. |
In a 30º-60º right triangle which statement is true? |
| |
|
A. |
The length of the side opposite the 30º angle is half the length of the hypotenuse. |
| |
|
B. |
The sides are equal. |
| |
|
C. |
The length of the hypotenuse is three times the length of the side opposite the 30º angle. |
| |
|
D. |
None of these is correct. |
| |
|
Hint |
|
| |
8. |
State the quadrant in which a triangle will lie if it is in the fourth quadrant and is rotated 180° about the origin. |
| |
|
A. |
II |
B. |
IV |
| |
|
C. |
III |
D. |
I |
| |
|
Hint |
|
| |
9. |
Determine whether the pair of figures represents a rotation of 90°, 180°, or a reflection over the x-axis or y-axis. |
| |
|
 |
| |
|
A. |
90° counterclockwise rotation |
B. |
reflection over the x-axis |
| |
|
C. |
180° rotation |
D. |
reflection over the y-axis |
| |
|
Hint |
|
| |
10. |
 R and S are alternate exterior angles. Find the value of x if mR = 7x° and mS = 175°. |
| |
|
A. |
x = 17.5 |
B. |
x = 35 |
| |
|
C. |
x = 25 |
D. |
x = 12.5 |
| |
|
Hint |
|
| |
11. |
Which letter does not have rotational symmetry? |
| |
|
A. |
Q |
B. |
Z |
| |
|
C. |
X |
D. |
N |
| |
|
Hint |
|
| |
12. |
Which letter has both line symmetry and rotational symmetry? |
| |
|
A. |
H |
B. |
Y |
| |
|
C. |
M |
D. |
A |
| |
|
Hint |
|
| |
13. |
Find the length of the hypotenuse in a 30°, 60°, 90° triangle if the side opposite the 30° angle equals 14 km. |
| |
|
A. |
7 km |
B. |
19.8 km |
| |
|
C. |
28 km |
D. |
18.3 km |
| |
|
Hint |
|
| |
14. |
After a translation to parallelogram WXYZ, W(4, 2) became W'(-2, -5). Write an ordered pair for the translation. |
| |
|
A. |
(2, -3) |
B. |
(-9, -4) |
| |
|
C. |
(-6, -7) |
D. |
(6, 7) |
| |
|
Hint |
|
| |
15. |
Triangle ABC with vertices A(-10, -5), B(-6, -2) and C(-6, -7) is reflected. Find C' if A' is (-10, 5) and B' is (-6, 2). |
| |
|
A. |
(6, 7) |
B. |
(6, -7) |
| |
|
C. |
(-6, 7) |
D. |
(-6, -8) |
| |
|
Hint |
|
| |
16. |
If DEF LMN, find MN. |
| |
|
 |
| |
|
A. |
5 feet |
B. |
9 feet |
| |
|
C. |
12 feet |
D. |
7 feet |
| |
|
Hint |
|
| |
17. |
Which figure shows the completion of the design so that the design has a vertical line of symmetry? |
| |
|
 |
| |
|
A. |
 |
B. |
 |
| |
|
C. |
 |
D. |
 |
| |
|
Hint |
|
| |
18. |
Which figure shows the image of polygon ABCDE after a translation 3 units right and 3 units up? |
| |
|
 |
| |
|
A. |
 |
B. |
 |
| |
|
C. |
 |
D. |
 |
| |
|
Hint |
|
|
|