No student devices needed. Know more
16 questions
A circle has a diameter of 4.5 cm. A larger circle has a diameter of 24 cm. What is the approximate difference in the circumferences of the two circles?
19.5 cm
28.5 cm
61 cm
90 cm
The circumference of a circle is 188 meters. What is the approximate radius of the circle?
128 meters
94 meters
60 meters
30 meters
Sadie has 38 inches of fringe to sew around a circular pillow. What is the approximate diameter of the largest pillow she can use?
6 inches
9 inches
10 inches
12 inches
A circular track with a diameter of 60 meters is shown. Shaleah walked around the track 4 times. Approximately how many meters did she walk?
377
2826
754
11,304
A circular table top has an area of 324 square inches. Which measurement is closest to the radius of the table top in inches?
10.2
18.0
56.5
103.1
A farmer grows potatoes on a circular plot of land that has a radius of 20 meters. Each potato plant requires 2 square meters of soil. What is the maximum number of potato plants the farmer can grow?
80
628
1256
2512
Lily is making party favors by placing a circular disk in the bottom of a plastic bag. Each disk has a diameter of 6 centimeters. What is the area of the disk to the nearest hundredth of square centimeter?
Use 3.14 for 𝜋.
18.84 cm2
28.26 cm2
91.06 cm2
113.04 cm2
A large pizza has a diameter of 14 inches. A medium pizza has a diameter of 10 inches. How much larger is the area of the large pizza than the area of the medium pizza?
Round your answer to the nearest hundredth of an inch.
Use 3.14 for 𝜋.
12.56 in2
50.24 in2
75.36 in2
78.50 in2
153.86 in2
The circumference of the wheel on Roy's bicycle is 225 in.
What would you do to determine the radius of the wheel?
Divide the circumference by 𝜋.
Divide the circumference by 𝜋 to find the diameter; then divide the diameter by 2 to find the radius.
Multiply the circumference by 𝜋.
Multiply the circumference by 𝜋 to find the diameter; then divide the diameter by 2 to find the radius.
The formula for finding the area of a circle is...
A = πd
A = π
A =πr
A =πr2
The cost of painting the circular traffic sign is $3.50 per square foot. How much to the nearest dollar, will it cost to paint the sign if it diameter measures 36 inches?
$20
$25
$30
$35
Mrs. Wilson placed the welcome mat shown below on her front door step. What is the area of her welcome mat in square feet? Round to the nearest tenth.
A = 36.4 in sq
A = 50.2 in sq
A = 31.4 in sq
A = 25.1 in sq
Find the area of the figure shown.
1017.36 cm
254.34 cm
26.52 cm
123.65 cm
A glass stained window is shaped like a semicircle. The bottom edge of the window is 36 inches long. How much colored glass would you need to cover the stained window? Round to the nearest hundredth. (please label - sq inches or sq in)
Explore all questions with a free account