WorksheetsChapter 8 Math Review
Total questions: 31
Worksheet time: 8hrs 45mins
Name
Class
Date
1.
Is the red line a radius or diameter of the circle?
a)
Radius
b)
Diameter
2.
a)
Diameter is: DE
b)
Diameter is: BA
c)
Diameter is: BC
d)
Diameter is: DC
3.
If my diameter is 19 inches, what is my radius?
a)
38 inches
b)
9.5 inches
c)
59.66 inches
d)
119.32 inches
4.
The radius of a circle is
a)
The measurement from the center of a circle to an edge of the circle.
b)
The measurement around the circle
c)
The measurement from and edge of the circle to another edge through the center
d)
A line perpendicular to the diameter of the circle
5.
What is the radius?
a)
18
b)
72
c)
38
d)
14
6.
What is the circumference of this circle ?
a)
3.14 cm
b)
37.68 cm
c)
24 cm
d)
68.4 cm
7.
Find the circumference (to the nearest whole number)
a)
88 in
b)
44 in
c)
116 square in
d)
None of the above
8.
What is the formula for circumference of a circle given the diameter?
a)
C = pi x r
b)
C = pi x 2r
c)
C = pi x D
d)
C = pi x 2D
9.
Steven purchases a bowl. The diameter of the
bowl is 14 cm. What is the circumference of the
bowl?
bowl is 14 cm. What is the circumference of the
bowl?
a)
28 cm
b)
43.96 cm
c)
87.96 cm
d)
7 cm
10.
What is the diameter?
a)
5 in
b)
10 in
c)
3.14 in
d)
15.84 in
11.
Find the area of the circle
a)
43.96
b)
153.86
c)
87.82
d)
307.72
12.
Find the area of the circle
a)
56.52
b)
254.34
c)
1017.36
d)
113.04
13.
what is the area of a circle with the diameter of 10cm ?
a)
66cm
b)
78.5cm
c)
66.5cm
d)
10m
14.
find the area of the circle below.
a)
100 cm
b)
225 cm
c)
9 cm
d)
28.26 cm
15.
A line that goes from one end of the circle to the other and crosses the center point.
a)
center
b)
diameter
c)
dime eater
d)
radius
16.
What is the area of this circle?
a)
6082.12
b)
1519.76
c)
1893.14
d)
1292.92
17.
Find the area of the circle, round to nearest tenth:
r = 12 in
r = 12 in
a)
452.2 in2
b)
45.2 in2
c)
113.0 in
d)
450 in2
18.
Find the area of the circle, round to nearest tenth:
r = 15 cm
r = 15 cm
a)
70.65 cm2
b)
706.5 cm2
c)
176.6 cm2
d)
705 cm2
19.
Find the area of the circle, round to nearest tenth:
r = 5 m
r = 5 m
a)
7.85 m2
b)
19.6 m2
c)
78.5 m2
d)
77 m2
20.
Find the area of the circle, round to nearest tenth:
d = 12 ft
d = 12 ft
a)
11.3 ft2
b)
452.2 ft2
c)
113.0 ft2
d)
115 ft2
21.
Find the area of the circle, round to nearest tenth:
d = 4 in
d = 4 in
a)
1.26 in2
b)
13 in2
c)
50.2 in2
d)
12.6 in2
22.
The team scored 50 points. How many points did Kendrick score?
a)
12 points
b)
20 points
c)
10 points
d)
72 points
23.
There are 200 vegetable plants in a garden. How many of the vegetable plants are green beans?
a)
16
b)
24
c)
28
d)
32
24.
600 people were surveyed. How many people rode the stationary bikes that day?
a)
150 people
b)
120 people
c)
90 people
d)
None of these
25.
According to this circle graph, what is the least popular flavor of Jolly Rancher?
a)
Blue Rasberry
b)
Watermelon
c)
Grape
d)
Apple
26.
Students were surveyed about their favorite sports to play in phys.ed. The results are represented in this circle graph. If 48 students were surveyed, how many chose soccer?
a)
10
b)
12
c)
15
d)
14
27.
What is the total percent of a pie or circle graph?
a)
10%
b)
50%
c)
100%
d)
1000%
28.
What percentage does the entire circle graph represent?
a)
100%
b)
50%
c)
25%
d)
15%
29.
The pie chart shows the colors of crocks in a store. What percent of the crocs are pink?
a)
5%
b)
20%
c)
155%
d)
45%
30.
The circle graph shows the percentages of how people get to work. Find the percent of people who take the train to work.
a)
110%
b)
90%
c)
10%
d)
30%
31.
The circle graph shown shows the results of a survey about favorite pizza toppings for people living in the United States. If this survey included 2,500 people, how many people said cheese is their favorite topping? (hint: multiply the percent by the number of people!!)
a)
100 people
b)
625 people
c)
10,000 people
d)
1,250 people
100 %
