Circle simple
The circumference of a circle is 6.28. What is the area of the circle?
Correct answer:

You need to know the following knowledge to solve this word math problem:
planimetricsUnits of physical quantitiesGrade of the word problem
We encourage you to watch this tutorial video on this math problem: video1
Related math problems and questions:
- Circumference of a circle
Calculate the area of a circle if its circumference is 21.98 dm. Express the result in square decimetres.
- The circumference 3
The circumference of a cylindrical water tank is 62.8m. When it is 4/5 full of water, it holds 125.6 hectoliters. Find the depth of the tank.
- Circumference 48533
The diameter of the circle is 6.8 cm. Calculate the area of the circle to 1 decimal place. Calculate the circumference of the circle to 1 decimal place.
- Circular pizza
The radius of a circular pizza is 6 inches. What is the approximate circumference of the pizza? (Use π = 3.14)
- Circumference 2951
What is the radius of a circle with a circumference of 28 cm?
- Circumference - diamond
The diamond has an area of 21.6 cm square. Its height is 4 cm. What is the circumference of the diamond?
- Circumference circles
What is the circumference and area of the circle if r = 18cm