# Circumference 6338

The circle has the same area as the square, whose circumference is 400m. Calculate the diameter of the circle.

### Correct answer:

Tips for related online calculators

Do you have a linear equation or system of equations and looking for its solution? Or do you have a quadratic equation?

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

**algebra**- equation
- expression of a variable from the formula
**planimetrics**- circle
- area of a shape
- perimeter
- square

#### Units of physical quantities:

#### Grade of the word problem:

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

## Related math problems and questions:

- Circumference 40401

Calculate the diameter of a circle whose area in cm² and the circumference in cm are expressed by the same number. - Height as diameter of base

The rotary cylinder has a height equal to the base diameter and a surface of 471 cm². Calculate the volume of a cylinder. - 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 the perimeter is 400 cm. - Rotary cone

A rotary cone whose height is equal to the circumference of the base has a volume 229 cm³. Calculate the radius of the base circle and the height of the cone. - The circumference

The circumference of the rectangle is 62 cm. A square whose side is as long as one side of a rectangle has a circumference of 56 cm. What is the area of each shape? - Rotary cylinder 2

The base circumference of the rotary cylinder has the same length as its height. What is the surface area of the cylinder if its volume is 250 dm³? - Millimeter 81208

A cylinder has the same diameter as its height. Calculate these data if the surface is 200 cm square. Report the results to the nearest millimeter. - Calculate 8252

Calculate in cm² the area of a circle whose diameter is equal to the length of the diagonal of a square ABCD with a side of 4cm. - Calculate 6930

Calculate the diameter of a circle whose area S = 78.5 cm². - Perimeter of base

The circumference of the base of the rotating cylinder is the same as its height. What is the diameter and height of this cylinder with a volume of 1 liter? - Circumference 46181

Calculate the area of a circle that has a circumference of 314 cm. - Circumference 15653

Calculate the surface and volume of a rotating cone whose base circumference is 125.6 cm and the side is 25 cm long. - Circumference 4956

Calculate the circumference of a diamond whose area is 288cm square and one diagonal is 12.4cm. - Right-angled 78394

A right-angled triangle was inscribed in a circle with a diameter of 20 cm, whose hypotenuse is the circle's diameter and has the largest possible area. Calculate the area of this triangle. - 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. - Prism

A right-angled prism, whose base is a right triangle with leg a = 3 cm and hypotenuse c = 13 cm, has the same volume as a cube with an edge length of 3 dm. a) Find the height of the prism b) Calculate the surface of the prism c) What percentage of the cub - Circle - simple

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