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WorksheetsTri 3 Review
Total questions: 60
Worksheet time: 4hrs 31mins
Name
Class
Date
1.
Matching sides are called
a)
Corresponding Sides
b)
Corresponding Angles
c)
The Same
d)
Congruent Sides
2.
Two objects that are the same shape but not the same size are _______.
a)
Congruent
b)
Vertical
c)
Similar
d)
Complementary
3.
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.
4.
Find the scale factor from the large triangle to the small triangle.
a)
2
b)
3/2
c)
2/3
d)
1/2
5.
If the scale factor is greater than one, the new figure will be
a)
smaller image
b)
larger image
c)
congruent image
d)
not proportional image
6.
If the scale factor is less than one, the new figure will be
a)
larger image
b)
smaller image
c)
congruent image
d)
not proportional image
7.
What is the scale factor from ΔDEF to ΔABC?
a)
1/2
b)
7/3
c)
2
d)
10/3
8.
A rectangle has a perimeter of 15 inches. An image is created with a scale factor of 2. What is the new perimeter?
a)
17
b)
60
c)
30
d)
15
9.
What is the scale factor used from the figure on the left to the figure on the right?
a)
1.5
b)
0.25
c)
2
d)
0.5
10.
What is the scale factor used from the figure on the left to the figure on the right?
a)
0.9
b)
0.4
c)
0.6
d)
1.4
11.
The triangles are similar, solve for the question mark.
a)
8
b)
12.5
c)
18
d)
24
12.
Solve for f.
a)
6
b)
4
c)
3
d)
8
13.
Using a proportion, find the height of the tree.
a)
x = 0.0625 ft.
b)
16 ft
c)
x = 16 ft.
14.
At the same time a 6 foot person casts a 2 foot shadow, a nearby flagpole casts a ten foot shadow. How tall is the flagpole?
a)
3 feet
b)
10 feet
c)
16 feet
d)
30 feet
15.
A Circle has a radius of 4. What is the circumference of the circle? (Best Choice)
a)
4π or about 12.56
b)
16π or about 50.24
c)
2π or about 6.28
d)
8π or about 25.12
16.
A Circle has a radius of 4. What is the area of the circle? (Best Choice) (note: units are squared)
a)
4π or about 12.56
b)
16π or about 50.24
c)
2π or about 6.28
d)
8π or about 25.12
17.
A Circle has a diameter of 10 centimeters. What is the area of the circle? (Best Choice)
a)
5π or about 15.7 cm2
b)
10π or about 31.4 cm2
c)
25π or about 78.5 cm2
d)
100π or about 314 cm2
18.
The area is 28.26 square inches. What is the diameter?
a)
6 inches
b)
3 inches
c)
18.84 inches
d)
9.42 inches
19.
The circumference is 62.8 inches. What is the radius?
a)
20 inches
b)
10 inches
c)
6.28 inches
d)
31.4 inches
20.
A sprinkler that sprays water in a circular area can be adjusted to spray up to 30 feet. To the nearest tenth, what is the maximum area of lawn that can be watered by the sprinkler?
a)
188.4 ft²
b)
706.5 ft²
c)
183.6 ft²
d)
2,826 ft²
21.
What is the distance around a circle?
a)
Circumference
b)
Area
c)
Diameter
d)
Radius
22.
Find the area of the dark blue sector shown at the left. The radius of the circle is 4 units and the length of the arc (the curved edge of the sector) measures 7.85 units. Express answer to thenearest tenth of a square unit.
a)
0.3 square units
b)
15.7 square units
c)
19.7 square units
d)
50.3 square units
23.
A cathedral window is built in the shape of a semicircle. If the window is to contain three stained glass sections of equal size, what is the area of each stained glass section? Express answer to the nearest square foot.
a)
1 sq. ft
b)
13 sq. ft
c)
3 sq. ft
d)
26 sq. ft
24.
Stephanie is cutting a pie. Stephanie's mother wants one fourth of the pie. The diameter is 20 cm. What is the sector area of the pie her mother does not want?
a)
235.62 cm squared
b)
three fourths of the pie
c)
78.54 cm squared
d)
83.99 cm squared
25.
Jim is planting flowers in circular flower pots. Each flower gets 1/8 of the pot. He needs to figure out the area of each 8th. He found the radius to be 10 inches. What is the area of each 8th of the pot?
a)
40.8 inches squared
b)
39.27 inches squared
26.
Stephanie is cutting a pie. Stephanie's mother wants one fourth of the pie. The diameter is 20 cm. What is the sector area of the pie her mother does not want?
a)
235.62 cm squared
b)
three fourths of the pie
c)
78.54 cm squared
d)
83.99 cm squared
27.
Jim is building a fence for his circular yard. Jim wants to know what the length of his gate needs to be. The radius of his yard is 10 feet.
a)
10 feet
b)
3.89 feet
c)
7.26 inches
d)
62.8 feet
28.
Find the geometric probability of a marble falling on the shaded region of the figure.
a)
15.3%
b)
24.5%
c)
26.9%
d)
21.5%
29.
Find the probability that a randomly chosen point in the figure lies in the shaded region.
a)
94.8%
b)
80%
c)
60%
d)
45.6%
30.
What is the probability you spin yellow three times in a row?
a)
1/5
b)
1/25
c)
1/125
d)
3/5
31.
What is the probability of spinning red?
a)
0
b)
5/12
c)
1/2
d)
3/4
32.
Aaron took a multiple choice test. There were 25 questions, of which he answered 4 incorrectly. At this rate, how many questions should Aaron expect to answer incorrectly if he takes a test with a total of 150 questions?
a)
123
b)
24
c)
373
d)
47
33.
The probability of a video game being defective is 1 out of 20. About how many video games would be defective in a shipment of 490 video games? (Round your answer to the nearest whole number.)
a)
490
b)
25
c)
98
d)
100
34.
Shannon made the last 12 out of 20 shots for the varsity basketball team. How many shots would you expect him to make in his next 160 shot attempts?
a)
96
b)
120
c)
24
d)
80
35.
The chart below represents the number of marbles in a jar.
P(green) =
P(green) =
a)
5/19
b)
10/28
c)
5/14
36.
A jar contains 2 pink, 6 red, and 4 blue marbles. If you pick one marble without looking, what is the probability that the marble you pick will be red or blue?
a)
5/6
b)
1/2
c)
1/3
d)
1/6
37.
The team scored 50 points. How many points did Kendrick score?
a)
12 points
b)
20 points
c)
10 points
d)
72 points
38.
If there are 300 seventh graders, how many students prefer choir?
a)
96
b)
24
c)
75
d)
42
39.
308 people were surveyed about how they got to school. How many ride their bike?
a)
112 people
b)
847 people
c)
130 people
d)
110 people
40.
Elliot says almost everyone arrived at the party after 10:00 P.M., but Nancy thinks most people came earlier. When did a majority of the people arrive?
a)
7:00-7:59 P.M.
b)
8:00–8:59 P.M.
c)
9:00–9:59 P.M.
d)
10:00–10:59 P.M.
41.
What is the range of the data shown in the stem and leaf plot?
a)
40
b)
56
c)
136
d)
96
42.
What is the median of the scores?
a)
21
b)
16
c)
17
d)
19
43.
What is the mode of the scores?
a)
24
b)
14
c)
34
d)
30
44.
To find the average of a set of numbers, add up all the items and divide by...
a)
2
b)
The minimum
c)
The maximum
d)
The number of items
45.
Roger bowled 7 games last weekend. His scores are: 155, 165, 138, 172, 127, 193, 142. What is the range of Roger's scores?
a)
193
b)
127
c)
60
d)
66
46.
Find the median of:
21, 7, 32, 45, 28, 78
21, 7, 32, 45, 28, 78
a)
32 & 45
b)
38.5
c)
28 & 32
d)
30
47.
Find the mean of these numbers:
5,11,2,12,4,2
5,11,2,12,4,2
a)
4.1
b)
6
c)
4.5
d)
4
48.
When you translate, (x-4,y) will move _____.
a)
4 units right
b)
4 units left
c)
4 units up
d)
4 units down
49.
When you translate, (x,y+6) will move _____.
a)
6 units right
b)
6 units left
c)
6 units up
d)
6 units down
50.
Identify the transformation from ABC to A'B'C'.
a)
90o clockwise rotation
b)
90o counter clockwise rotation
c)
Reflection across the y-axis
d)
Reflection across the x-axis
51.
Identify the transformation from ABCD to A'B'C'D'.
a)
Translation
b)
Reflection across the y-axis
c)
Reflection across the x-axis
d)
90o counter clockwise Rotation
52.
Point (-5,2) is reflected over the y axis. Where is the new point located?
a)
(5,2)
b)
(-5,-2)
c)
(-5,2)
d)
(5,-2)
53.
Point (7,2) is translated vertically 2 units and horizontally -5 units. Where is the new point located?
a)
(9,-3)
b)
(2,4)
c)
(2,0)
d)
12,4)
54.
Triangle ABC is going to be translated. Where would A' position be at, if the translation was be (x,y) --> (x+3, y-2)?
a)
(-1,3)
b)
(5,3)
c)
(5,8)
d)
(3,5)
55.
Sadie used a container shaped like a cylinder to catch rainwater. The dimensions of the container are shown below. Which measurement is closest to the volume?
a)
1,527cm3
b)
4,072cm3
c)
1,018cm3
d)
3,054cm3
56.
Find the volume of the cylinder.
a)
4239
b)
1696
c)
1130
d)
565
57.
Find the surface area
a)
60.4 m2
b)
188.4 m2
c)
94.2 m2
d)
881.9 m2
58.
Find the total surface area of the cylinder.
a)
25.13 square cm
b)
75.40 square cm
c)
50.27 square cm
d)
100.53 square cm
59.
Campbell Soup is creating a new soup label. If a can has a height of 12 cm and a diameter of 6 cm, how much material does Campbell need for each soup label? Use 3.14 for π.
a)
150.72 cm2
b)
100.48 cm2
c)
24 cm2
d)
226.08 cm2
60.
A cylindrical dog water bowl is 10 inches wide and 4 inches deep. How much plastic is needed to make the bowl?
a)
125.6 inches 2
b)
204.1 inches 2
c)
282.6 inches 2
d)
300.6 inches 2
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