0

# What is the circumference and area of a circle with a radius of 7 mi?

Updated: 12/19/2022

Wiki User

7y ago

Circumference: 14*pi mi

Area: 49*pi square mi

Wiki User

7y ago

Earn +20 pts
Q: What is the circumference and area of a circle with a radius of 7 mi?
Submit
Still have questions?
Related questions

### What is the circumference of radius 10 mi?

Circumference of any circle = (pi) x (diameter) Diameter = 2 x radius

### How many miles in a 21 mile radius?

If the area is a circle and the radius of the circle is 21 miles, the distance around the circle (circumference) is 131.95 miles. The area of that circle is 1,385.4 square miles.

### What is the circumference of 38 mi?

That depends on what is meant by 38 mi but the circumference of any circle is 2*pi*radius or diameter*pi

### What is the area of a circle with a radius of 8 mi?

Using 3.14 as Pi the area of circle is: 200.96

### What is the area of a circle with a radius of 6.2 mi?

Using 3.14 as Pi the area of circle is: 120.7016

15.0

### What is the perimeter of 21 mi of a circle?

The perimeter of a cirlcle is its circumference which is: 2*pi*radius or diameter*pi

### What is the area of a circle that has an 23 mi in diameter?

A circle with a radius of 11.5 miles has an area of 415.48 square miles.

### What is the circumference of a circle if the diameter is 8 mi?

The circumference of a circle with diameter d is pi*d So if d = 8mi then circumference = 25.13 mi.

### How many Square miles in 400 mile radius?

area circle = &pi; &times; radius&sup2; = &pi; &times; (400 miles)&sup2; = 160000&pi; sq mi &asymp; 502655 sq mi

### The circumference of a circle is 31mi what is it diameter?

Circumference = pi*diameter So diameter = circumference/pi = 9.87 mi

### How many square miles in a 4 mile radius?

For a circle with a radius of 4 miles, the area is about 50.26 square miles. A = pi r2 A = 3.1416 x (4)2 = 3.1416 x 16 = approximately 50.2656 sq. mi.