answersLogoWhite

0


Best Answer

Area = pi*11.52 = 415.4756284 or 415.48 square feet to two decimal places

User Avatar

Wiki User

14y ago
This answer is:
User Avatar

Add your answer:

Earn +20 pts
Q: How many sq ft in 21ft diameter circle?
Write your answer...
Submit
Still have questions?
magnify glass
imp
Related questions

How many sq ft in a 6 ft diameter circle?

28.3


How many square feet in a 49 foot diameter circle?

A circle with a 49 ft diameter would have an area of 1885.741 sq ft (to 3 dp)


How many linear feet in a 240 diameter circle?

I guess you mean: what's the circumference of a 240 diameter circle? Circumference = π x diameter = π x 240 ft = 240π ft ≈ 754 ft


What is the circumference of a circle with the diameter of 14 ft?

The circumference of a circle with the diameter of 14 ft is: 44 feet.


How many sq ft in a 13' diameter circle?

132.7 sq ft, approx.


How many square feet in 100 ft. diameter x 100 ft. diameter?

The question does not make any sense. A diameter is a measure which is applicable for a circle. However, a circle x a circle does not make any real shape.


What is the square ft of a 9 ft circle?

The area of a circle with a diameter of 9 feet is 63.6 sq ft (approx).The area of a circle with a diameter of 9 feet is 63.6 sq ft (approx).The area of a circle with a diameter of 9 feet is 63.6 sq ft (approx).The area of a circle with a diameter of 9 feet is 63.6 sq ft (approx).


What is the area of a circle that has a 10 ft diameter?

The area of a circle that has a 10 ft diameter is: 78.54 square feet.


Area of a circle with a 13 ft diameter?

The area of a circle with a 13 ft diameter is: 132.7 square feet.


What is the circumference of a circle with a diameter of 10 ft?

The circumference of a circle with a diameter of 10 ft is: 31.42 feet (diameter x Pi = circumference).


How many feet across is a 22 ft diameter circle?

22 ft. The diameter is the measurement of a circle through the center from side to side and is equal to two times the radius.


What is the circumference of a circle that is 11 feet?

Circumference of a circle is pi multiplied by the diameter. If the diameter of the circle is 11 ft, the circumference is: 3.14 x 11 ft = 34.54 ft