# 10 Examples of Circumference

Circumference is a fundamental concept in geometry. It representing the distance around the edge of a **circle**. It plays an important role in various mathematical and real-world applications.

In this article, we will discuss ten examples of circumference in **mathematics**.

**Examples of Circumference**

These are 10 examples of circumference.

**1: Calculating Circumference from Diameter**

Given a circle with a diameter of 10 cm. Find its Circumference.

We calculate the circumference using the formula,

C = Ï€d

Substituting the values,

C = Ï€ * 10 = 31.42 cm

**2: Calculating Circumference from Radius**

If the radius of a circle is 6 cm. Find its circumference.

We find the circumference using the formula,

C = 2Ï€r

Plugging in the values,

C = 2 * Ï€ * 6 = 37.70 cm

**3: Finding the Circumference of a Tire**

Suppose you have a car tire with a radius of 15 inches. Find its circumference.

The circumference calculate using,

C = 2Ï€r

C = 2 * Ï€ * 15 = 94.25 inches

**4: Determining the Circumference of a Pizza**

Given a pizza with a diameter of 18 inches. Find its circumference.

We find its circumference by applying,

C = Ï€d

Thus,

C = Ï€ * 18 = 56.55 inches

**5: Circumference of a Running Track**

Imagine a circular running track with a radius of 100 meters. Find circumference.

The circumference calculated by using,

C = 2Ï€r

C = 2 * Ï€ * 100 = 628.32 meters

**6: Circumference of a Hula Hoop**

For a hula hoop with a radius of 30 inches, find the circumference of hoop.

We use this formula to find circumference,

C = 2Ï€r

C = 2 * Ï€ * 30 = 188.50 inches

**7: Circumference of a Circular Garden**

Suppose you have a circular garden with a radius of 8 feet. Find its circumference.

To find the circumference apply,

C = 2Ï€r

C = 2 * Ï€ * 8 = 50.27 feet

**8: Circumference of a Bicycle Wheel**

A bicycle wheel has a diameter of 26 inches. Find the circumference of wheel.

To calculate its circumference,

C = Ï€d

C = Ï€ * 26 = 81.68 inches

**9: Circumference of a Circular Pool**

A circular swimming pool has a diameter of 30 meters. Find its circumference.

Circumference calculate by using,

C = Ï€d

C = Ï€ * 30 = 94.25 meters

**10: Circumference of a Pie Crust**

When making a circular pie crust with a radius of 9 inches. What is circumference of pie.

To find Circumference use this formula,

C = 2Ï€r

C = 2 * Ï€ * 9 = 56.55 inches

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