Circle - simple

Calculate the area of a circle in dm² if its circumference is 31.4 cm.

Correct answer:

Did you find an error or inaccuracy? Feel free to write us. Thank you!

You need to know the following knowledge to solve this word math problem:

Grade of the word problem:

We encourage you to watch this tutorial video on this math problem: video1

Related math problems and questions:

Circumference 61704
Calculate the area of a circle if its circumference is 21.98 dm. Express the result in square decimetres.
Area to perimeter
Calculate circle circumference if its area is 254.34cm²
Four circles
1) Calculate the circle radius if its area is 400 cm square 2) Calculate the radius of the circle whose circumference is 400 cm. 3) Calculate circle circumference if its area is 400 cm square 4) Calculate the circle's area if perimeter 400 cm.
Circumference 6651
Calculate the circumference of a circle if its area is 706.5 cm²
Circumference 48503
Calculate the circumference of the circle if its radius is 25 cm. Express the result in meters.
Quarter of a circle
Calculate the circumference of a quarter circle if its area is S = 314 cm².
Circle
How big is an area of a circle if its circumference is 51.2 cm?
Math heart
A stylized heart shape is created from a square with a side of 5 cm and two semicircles over his sides. Calculate the area and its circumference.
Diamond
The diamond has a circumference of 48cm. Calculate the length of its side in dm.
Circumference 21603
The circumference of the diamond is 29.6dm. a - calculate the length of its side b - calculate the area of the diamond if its height measures 5 dm
Rotary cylinder 2
Base circumference of the rotary cylinder has same length as its height. What is the surface area of cylinder if its volume is 250 dm³?
Circumference 61944
Calculate the volume and surface of the planet Venus if its circumference is 12,000 km.
Circumference 64994
Calculate the volume of the cylinder if the circumference of the base o = 31.4 cm, height v = 6.4 cm
Circumference 27581
The rotating cone has a base circumference of 62.8 cm. And a height of 0.7 dm. Calculate its surface area and volume.
Round table tablecloth
The round table has an area of 50.24 dm². Calculate the circular tablecloth diameter, if it extends beyond the edge of the table by 30 cm.
Circle arc
The circle segment has a circumference of 135.26 dm and 2096.58 dm² area. Calculate the radius of the circle and the size of the central angle.
Rhombus 4
The circumference of the rhombus is 44 cm, its height is 89 mm long. Calculate its area.