Circumference & Area Quiz Practice
113.1
A circle has a circumference of 12π. What is the area?
11
A circle has a circumference of 22π. What is its radius?
24
A circle has a circumference of 24π. What is its diameter?
12
A circle has a circumference of 24π. What is its radius?
7846.02
A circle has a circumference of 314 units. What is its area?
50
A circle has a circumference of 314 units. What is its radius?
6
A circle has a circumference of 6π. What is its diameter?
3
A circle has a circumference of 6π. What is its radius?
157
A circle has a diameter of 50 units. What is the circumference?
314
A circle has a radius of 50 units. What is the circumference?
about 25 feet
A play train travels around a Christmas tree in a circle. The train track measures 8 feet in diameter. What is the distance (in feet) that the train travels if it goes around the track once?
25.1
A tree is sold based on the circumference of the tree. If a tree has a radius of 4 inches, then what is the circumference of the tree?
50.27 square units
Find the area of a circle with a radius of 4. round to the nearest hundredth.
88
Find the circumference of a circle with a diameter of 28 inches. Round to the nearest whole inch.
69.1 yards
Find the circumference of a circle with a radius of 11 yards. Round to the nearest tenth of a yard.
18.84
Find the circumference of a circle with a radius of 3 miles
43.98
Find the circumference of a circle with a radius of 7
1963.5
Given a circle with a circumference of 50π inches, find the area of the circle to the nearest tenth.
36π
Given a circle with a radius of 6 feet. Find the area in terms of π.
12π
Given a circle with a radius of 6 feet. Find the circumference in terms of π.
6.4
Given a circle with an area of 32.2 square meters, find the diameter.
12.6 square miles
Green Reservoir is in the shape of a circle. If the distance across the reservoir is 4 miles, what is the area? Round to the nearest tenth.
38
If my circular garden has a radius of 6 meters. I want to put a fence around it. To the nearest meter, how much fencing will I need to purchase?
14
If the area of a circle is 49π square feet, what is the diameter?
18
If the circumference of a circle is 36π, what is the radius?
16π
If the diameter of a circle is 8 feet, what is the area in terms of π?
Yes because the diameter of her garden is 31.8 feet and the rope is longer than 31.8 feet.
Mrs. Fricke has a rope that she wants to stretch across her circular garden. The rope is 40 feet long. The garden has a circumference of 100 feet. Will the rope stretch across her garden?
pi
On ANY circle, the (Circumference ÷ Diameter) = ______
2
On ANY circle, the (Diameter ÷ Radius) = ______
25π
The diameter is 10. What is the area of this circle in terms of π?
128.7
The diameter is 12.8. What is the area of this circle? Round your answer to the nearest tenth.
176.7
The diameter is 15. What is the area of this circle? Round your answer to the nearest tenth.
254.5
The diameter is 18. What is the area of this circle? Round your answer to the nearest tenth.
415.3
The diameter is 23. What is the area of this circle? Round your answer to the nearest tenth. Use 3.14 for pi.
55.4
The diameter is 8.4. What is the area of this circle? Round your answer to the nearest tenth.
105.7
The diameter of a circle is is 11.6 yards. What is the area of this circle? Round to the nearest tenth.
circumference
The distance around a circle. Also known as the perimeter of a circle.
radius
The distance from the center of a circle to the edge of the circle.
diameter
The distance from the edge of the circle, through the center, to the other edge.
diameter
The distance shown is called the ________.
radius
The distance shown is called the ________.
43.0
The radius is 3.7. What is the area of this circle? Round your answer to the nearest tenth.
113.1
The radius is 6. What is the area of this circle? Round your answer to the nearest tenth.
153.9
The radius is 7. What is the area of this circle? Round your answer to the nearest tenth.
167.4
The radius is 7.3. What is the area of this circle? Round your answer to the nearest tenth.
17278.8
The radius of the planet Mars is 4500 miles and the radius of Jupiter is 7250 miles. What is the difference in the circumferences, in miles, of Jupiter and Mars. Round to the nearest tenth of a mile.