Name ____________________________________ Date _____________________ Period __________
Going ‘ Round One More Time with Circles
Choose the best answer choice after showing your work.
1.
Tyler must paint the top of the circular stage shown below for his garage band.
r = 14 feet
10 feet
About how many square feet must Tyler paint? (Use
A
B
C
D
2.
π .)
44 ft2
616 ft2
88 ft2
176 ft2
A tractor tire travels about 471 inches in 1 full rotation. What is the approximate diameter of the
tire?
A
B
C
D
4.
22
for
7
300 inches
75 inches
1,479 inches
150 inches
Jaxon made the following statements about circles.
I.
II.
III.
IV.
The lengths of all radii in the same circle are congruent.
The circumference of a circle is the product of half its diameter and
d
The value of
is used to determine the value of π .
C
The area of a circle is the product of its radius squared and π .
π.
Which of the statement(s) are true?
A
B
C
D
5.
II and III only
I and IV only
IV only
I and II only
A unicycle tire has a radius of 13 inches. About how far will the unicycle travel in 20 rotations?
F
G
H
J
1633 inches
10,613 inches
82 inches
520 inches
Name ____________________________________ Date _____________________ Period __________
6.
The biggest circle you can draw on this sheet of paper would have a diameter of 8.5 inches. Which
of the following best represents the area of the biggest circle you can draw on this sheet of paper?
Leave your answer in terms of π .
7.
Rosa sliced an orange into circular pieces to put into a bowl of punch. The piece shown
below had a radius of 4 centimeters. Which expression can be used to find the approximate
circumference of this piece of orange?
A
2(4)
B
2( )(8)
8
4
C
D
8.
A truck tire travels about 88 inches in 1 full rotation. What is the approximate diameter of the tire?
F
G
H
J
28 inches
14 inches
44 inches
22 inches
RECAP:
9.
Write an equation to determine the value of x.
W
3x – 2
Y
4x - 18
Solve the equation for x. Then use the value of x to determine each angle measure.
m  WYZ = __________
m  WZY = __________
m  ZWY = __________
x
Z