# What is the radius of a 64 cm circle?

## What is the radius of a 64 cm circle?

Here is the answer to questions like: how to find the area of a circle with diameter 64 cm?…What is the area of a circle with diameter 64 cm?

Result: The area of a circle with diameter 64 is 3217 | |
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Formulae: | |

r = 32 d = 64 C = 201 | A = πr2 = π(d2)2 A = C24π π = 3.1415 A = area C = circumference or perimeter r = radius, d = diameter |

**What is the area of the circumference is 64?**

As 2πr=64π i.e. r=64π2π=642=32 , Hence, area is π(32)2=1024π .

### How do you find the radius of a 64?

1 Answer

- π is the ratio between a circle’s circumference and diameter. In other words, C=πd=2πr.
- Plug in your information: 64=2πr.
- 642π=r.
- 32π=r.
- r≈10.186.

**How do you find the radius of a circle with the area and circumference?**

How to find the area of a circle from the circumference?

- Divide the circumference by π.
- Divide the result by 2 to get the circle’s radius.
- Multiply the radius by itself to get its square.
- Multiply the square by π, or 3.14 for an estimation.
- You found the circle’s area from the circumference.

#### When is the area of a circle is 64 Pi?

SOLUTION: If the area of a circle is 64 pi, what is its circumference? Question 50701: If the area of a circle is 64 pi, what is its circumference?

**How to calculate area and circumference of a circle?**

Area and circumference of circle calculator uses radius length of a circle, and calculates the perimeter and area of the circle. It is an online Geometry tool requires radius length of a circle. Using this calculator, we will understand methods of how to find the perimeter and area of a circle. Enter the radius length of a circle in the box.

## How to calculate the radius of a sphere?

Sphere surface area to radius calculator. User Guide. This tool will calculate the radius of a circle from the circumference, and will convert different measurement units for circumference and radius. Formula. The formula used to calculate the circle radius is: r = C / (2 · π) Symbols. r = Circle radius. C = Circle circumference.

**Is the radius of a circle a real number?**

A set of points in a plane equally distanced from a given point O O is a circle. The point O O is called the center of the circle. The distance from the center of a circle to any point on the circle is called the radius of this circle.A radius of a circle must be a positive real number.