Circle simple
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:
We encourage you to watch this tutorial video on this math problem: video1
Related math problems and questions:
- Circle - simple
The circumference of a circle is 198 mm. How long in mm is its diameter?
- Circle
How big is an area of a circle if its circumference is 80.6 cm?
- Circle - simple
Calculate the area of a circle in dm2 if its circumference is 31.4 cm.
- Diameter
The diameter of a circular plot is 14 dm. Find the circumference and area.
- Perimeter to area
Calculate the area of a circle with a perimeter of 15 meters.
- Area of a circle
The circumference of the circle is 150.72 centimeters. Calculate the area of the circle.
- Area to perimeter
Calculate circle circumference if its area is 254.34cm2
- Perimeter of square
The square has a circumference 17cm. What is its area?
- Shape
Plane shape has a maximum area 677 mm2. Calculate its perimeter if perimeter is the smallest possible.
- 22/7 circle
Calculate approximately the area of a circle with radius 20 cm. When calculating π, use 22/7.
- Circle - easy 2
The circle has a radius 6 cm. Calculate:
- Diameter to area
Find the area of a circle whose diameter is 26cm.
- Square and circle
Into square is inscribed circle with diameter 10 cm.What is difference between circumference square and circle?
- Circle area
Calculate the circle area with a radius of 1.2 m.
- Rhombus HP
Calculate area of the rhombus with height 24 dm and perimeter 12 dm.
- Unknown number 24
I think the number: a - is the same as the square area that has the 12th circumference. What is this number? b - its half is 7 times bigger than its quarter. Is this the number?
- Circle arc
Circle segment has a circumference of 135.26 dm and 2096.58 dm2 area. Calculate the radius of the circle and size of the central angle.