# How many feet around is an 18 foot circle?

## How many feet are in a radius?

Divide the circumference by 2π to find the radius. For example, the circumference is 60 feet. Dividing 60 by 2π equals 9.549. The radius is 9.549 feet.

What is the circumference of a 18 wheel?

Diameter, Rollout (Circumference) And Revolutions Per Mile Chart

Diameter Rollout Revs/Mile*
17.5 55.0 1222
18 56.5 1186
18.5 58.1 1152
19 59.7 1120

### How many square feet are in a 16 foot radius?

Area of a 16 Foot Circle….How many square feet is a 16 foot diameter circle?

201.06 square feet
186,793 square centimeters
0.0018679 hectares

### What is the radius of 18?

To find the radius, then, we insert 18 in for the circumference. So 18=2∏r. Solving for r gives 9/∏, or approximately 2.86 inches.

What is the diameter of an 18 foot pool?

Round swimming pool sizes chart
D (ft) D (m) S (ft2)
18 5.49 254.3
21 6.40 346.2
24 7.32 452.2

## How many square feet are in a circle with a radius of 5 feet?

Circle: 3.14 × 5 × 5 = 78.5 sq. ft.

## How many feet is 32 linear feet?

2×4 boards: 8 feet times 4 boards = 32 linear feet.

What is the radius of the diameter is 18?

1 Expert Answer The diameter = 2 * radius. If r = 18 inches, then D = 2(18) = 36 inches.

### What is the radius of a 6 foot circle?

We are given the circumference of a circle. We are asked to find the radius. => The radius is approximately . 96 ft.

### How many square inches are in an 18 inch circle?

324 square inches
For example, if you have a 18 inch radius, you would multiply 18 inches by 18 inches to get 324 square inches.

How do you find the radius?

Let us use these formulas to find the radius of a circle.

1. When the diameter is known, the formula for the radius of a circle is: Radius = Diameter / 2.
2. When the circumference is known, the formula for the radius is: Radius = Circumference / 2π

## What is the area of an 18 foot circle?

What is the area of a circle with a DIAMETER of 18 feet (radius of 9 feet)? How big is a 18 foot circle? The area of a circle is pi times the square of its radius. The radius is half the diameter. The diameter of a circle is the distance from one edge to the other, passing through the center. It is twice the radius.

## How to calculate the radius of a 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. The circle with a center O O and a radius r r is denoted by c(O,r) c ( O, r).

Which is an example of a radius in real life?

A real-life and original example of a radius is the spindle of a bicycle wheel. A 9-inch pizza is an example of a diameter: when a person makes the first cut to slice a round pizza pie in half, this cut is the diameter of the pizza. So a 9-inch pizza has a 9-inch diameter.