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WorksheetsUnit 1 Review
Total questions: 60
Worksheet time: 2hrs 29mins
Name
Class
Date
1.
a)
ABC and DEF
b)
ABC and GHI
c)
DEF and GHI
d)
None
2.
Are the following similar? Why or why not?
a)
Yes
b)
No, the corresponding angles are not equal.
c)
No, the ratios of the corresponding sides are not equal.
3.
The pair of figures is similar. Find the missing side.
a)
x = 20
b)
x = 12
c)
x = 5
d)
x = 4
4.
The pair of figures is similar. Find the missing side.
a)
x = 10
b)
x = 4
c)
x = 2
d)
x = 5
5.
A photo is 12 in. wide by 18 in. tall. If the width is scaled down to 9 inches, how tall should the similar photo be?
a)
15 in
b)
0.67
c)
13.5 in
d)
2
6.
All angles in similar figures are congruent.
a)
True
b)
False
7.
To find the height of a very tall pine tree, you place a mirror on the ground and stand where you can see the top of the pine tree. How tall is the tree?
a)
144 feet
b)
72 feet
c)
36 feet
8.
Two objects that are the same shape but not the same size are _______.
a)
Congruent
b)
Vertical
c)
Similar
d)
Complementary
9.
Are the following similar? Why or why not?
a)
Yes
b)
No, the corresponding angles are not equal.
c)
No, the ratios of the corresponding sides are not equal.
10.
The __________ is the ratio of a length of the image to the corresponding length on the original figure.
a)
reduction
b)
enlargement
c)
scale factor
d)
center of dilation
11.
Square A is a Dilation of Square B. What is the scale factor of the squares?
a)
1/7
b)
4/5
c)
5/4
d)
7
12.
Tell whether the two figures are congruent.
a)
Yes, same size and same shape
b)
No, same shape but different sizes
c)
No, different size and different shapes
13.
Complete the congruence statement:
a)
CDE
b)
ECD
c)
DCE
d)
CED
14.
Find the measure of the indicated angle.
a)
95
b)
85
c)
35
d)
45
15.
Name the corresponding angle to angle 3.
a)
Angle 5
b)
Angle 1
c)
Angle 4
d)
Angle 2
16.
What is the relationship between angle 1 and angle 5?
a)
They are just friends. :)
b)
Alternating interior angles
c)
Alternating exterior angles
d)
Corresponding angles
17.
Name an interior angle that is supplementary to angle 7.
a)
Angle 8
b)
Angle 1
c)
Angle 2
d)
Angle 3
18.
Find the measure of angle N if the measure of angle R is 146*.
a)
146*
b)
34*
c)
90*
d)
136*
19.
Name the angle relationship.
a)
Alternate Interior
b)
Alternate Exterior
c)
Corresponding
d)
Vertical Angles
20.
Name the angle relationship.
a)
Alternate Interior
b)
Alternate Exterior
c)
Corresponding
d)
Vertical Angles
21.
Name an exterior angle that is supplementary to angle 5.
a)
Angle 8
b)
Angle 6
c)
Angle 1
d)
Angle 4
22.
Find the measure of angle QRN when the measure of angle MNR is 52*.
a)
38*
b)
128*
c)
180*
d)
138*
23.
What is the value of x?
a)
60
b)
26
c)
14
d)
10
24.
Angle 1 = 27o
Find the measure of angle 4
Find the measure of angle 4
a)
27o
b)
153o
c)
63o
d)
90o
25.
Find x.
a)
130
b)
50
26.
Find x.
a)
80
b)
100
27.
Find y.
a)
130
b)
50
28.
What are complementary angles?
a)
Angles that add up to 180°
b)
Angles that add up to 90°
c)
Angles that are equal to each other
d)
Angles that are opposite of each other when lines intersect.
29.
What are supplementary angles?
a)
Angles that add up to 180°
b)
Angles that add up to 90°
c)
Angles that are equal to each other
d)
Angles that are opposite of each other when lines intersect
30.
What is the supplement angle to 45°?
*REMEMBER WHAT SUPPLEMENTARY ANGLES ADD TOO!
*REMEMBER WHAT SUPPLEMENTARY ANGLES ADD TOO!
a)
45°
b)
180°
c)
135°
d)
100°
31.
What is the complement angle to 30°?
a)
60°
b)
30°
c)
150°
d)
230˚
32.
If angle ∠ABD is 67°. What is ∠DBC?
a)
180°
b)
90°
c)
67°
d)
23°
33.
What angle pair is pictured?
a)
Alternate Interior Angles
b)
Supplementary Angles
c)
Vertical Angles
d)
Corresponding Angles
34.
Which are pairs of vertical angles?
a)
∠COB & ∠COA
b)
∠AOD & ∠AOC
c)
∠COB & ∠AOD
d)
∠BOD & ∠AOD
35.
Determine how to translate triangle A'B'C' to triangle ABC.
a)
right two, down five
b)
right two, down 9
c)
left two, down 9
d)
left two, down 5
36.
Determine where X' would be if you translated X 3 units to the left and 9 units down.
a)
(-4, 4)
b)
(-10, 2)
c)
(-4, -5)
d)
(-1, 5)
37.
What does a translation do to an image?
a)
Turns it 90* clockwise
b)
Mirrors it
c)
Shrinks it
d)
Slides it
38.
Which answer shows a reflection across the y-axis?
a)
a
b)
b
c)
c
d)
d
39.
Reflections over the x-axis change the ____-__________.
a)
y-coordinate
b)
x-coordinate
c)
y-axis
d)
x-axis
40.
Triangle A is rotated 90° clockwise with the origin as the center of rotation to create a new figure. Which rule describes this transformation?
a)
(x,y)→(y, -x)
b)
(x,y)→(-x,-y)
c)
(x,y)→(-y,x)
d)
(x,y)→(x,y)
41.
Reflecting over the y-axis changes the ____-_____________.
a)
x-axis
b)
x-coordinate
c)
y-coordinate
d)
none of the above
42.
How many degrees was the figure rotated?
a)
90 degrees counterclockwise
b)
180 degrees
c)
270 counterclockwise
43.
Identify the transformation from ABCD to A'B'C'D'.
a)
Translation
b)
Reflection across the x-axis
c)
Reflection across the y-axis
d)
90o counter clockwise rotation
44.
Identify the transformation from ABC to A'B'C'.
a)
(x+8, y+4)
b)
(x-8, y-4)
c)
(x+4, y+8)
d)
(x-4, y-8)
45.
Triangle ABC has vertices A(5,2). Find the coordinates of ABC after a reflection over the x-axis.
a)
A’(5, -2)
b)
A’(-5, -2)
c)
A’(-5, -2)
46.
When you dilate, you ______ x and y by a number.
a)
Multiply
b)
Add
c)
Subtract
d)
Divide
47.
Dilations are ________ but not congruent.
a)
Similar
b)
Flipped
c)
Rotated
d)
Congruent
48.
When you translate, you ______ a number to x and y.
a)
Add or subtract
b)
Multiply or divide
c)
Add or multiply
d)
Subtract or divide
49.
Translation are always _______
a)
Congruent
b)
Bigger
c)
Smaller
d)
Rotated
50.
When you translate, (x-4,y) will move _____.
a)
4 units right
b)
4 units left
c)
4 units up
d)
4 units down
51.
When you translate, (x,y+6) will move _____.
a)
6 units right
b)
6 units left
c)
6 units up
d)
6 units down
52.
Going from (x,y) to (-y,x) will result in a counter-clockwise rotation of _____ degrees.
a)
90
b)
180
c)
270
d)
360
53.
Going from (x,y) to (-x,-y) will result in a counter-clockwise rotation of _____ degrees.
a)
90
b)
180
c)
270
d)
360
54.
Which rule would dilate shows a scale factor of 4
a)
(x, y) → (y, x)
b)
(x, y) → (x + 4, y + 4)
c)
(x, y) → (x, -y)
d)
(x, y) → (4x, 4y)
55.
What is the rule for the dilation pictured below?
a)
(x, y) → (½x, ½y)
b)
(x, y) → (x + 2, y + 2)
c)
(x, y) → (x + 2, y + 2)
d)
(x, y) → (2x, 2y)
56.
Which rule would result in a translation of 2 units left and 3 units up?
a)
(x, y) → (2x, 3y)
b)
(x, y) → (x - 2, y + 3)
c)
(x, y) → (-x, -y)
d)
(x, y) → (x + 2, y - 3)
57.
Rectangle ABCD has been dilated by a scale factor of 3. What are the coordinates of A'B'C'D'?
A (1,-1), B (2,1), C (4,1), D (5,-2)
A (1,-1), B (2,1), C (4,1), D (5,-2)
a)
A' (3,-3), B' (6,3), C' (12,3), D' (15,-6)
b)
A' (-3,-3), B' (3,6), C'(3,12), D' (-6,15)
c)
A' (3,3), B'(6,3), C' (12,1), D' (15,-6)
d)
A'(3,-3), B' (6,3), C' (12,3), D' (-15,-6)
58.
The blue triangle is the preimage. The green is the image. What is the translation rule?
a)
(x,y) >>> (x-2, y-4)
b)
(x,y) >>> (x+4, y+2)
c)
(x,y) >>> (x-4, y-2)
d)
What translation rule?
59.
What happens when a shape flips over the y-axis?
a)
Reflection
b)
Translation
c)
Dilation
d)
Rotation
60.
All corresponding sides are proportional (same ratio) in similar figures.
a)
True
b)
False
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