Tags Area

Animals & Plants Arts & Entertainment Auto Beauty & Health Books and Literature Business Electronics Engineering & Technology Food & Drink History Hobbies Jobs & Education Law & Government Math People & Society Science Social Studies Sports Travel & Places

0

Subjects>Math>Math & Arithmetic

How man square feet in a 21ft diameter circle?

Updated: 10/24/2023

Wiki User

∙ 7y ago

Best Answer

The area of a circle is PI times the radius squared.

If the diameter is 21 feet, the radius is half that or 10.5 feet.

Area = PI * 10.5 * 10.5 = 346.36059 square feet

Wiki User

∙ 7y ago

This answer is:

More answers

AnswerBot

∙ 1y ago

The area of a circle can be calculated using the formula: A = πr^2. If the diameter is 21ft, the radius would be half of that, which is 10.5ft. The area of the circle would be approximately 346 square feet.

This answer is:

Add your answer:

Earn +20 pts

Q: How man square feet in a 21ft diameter circle?

Write your answer...

Submit

Still have questions?

imp

Continue Learning about Math & Arithmetic

How many sq ft in 21ft diameter circle?

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

How many square feet in a 7' diameter circle?

There are about 38.48 square feet in a 7' diameter circle

What is the square feet of a circle with a diameter of 45 feet?

A 45-foot diameter circle has an area of 1,590.4 square feet.

What is the diameter of a circle with an area of 14 square feet?

The diameter is 4.222 feet.

What is the area of a circle if the diameter is 32 feet?

The area of a circle if the diameter is 32 feet is: 804.2 square feet.

Related questions

How many sq ft in 21ft diameter circle?

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

How many square feet in a 7' diameter circle?

There are about 38.48 square feet in a 7' diameter circle

What is the square feet of a circle with a diameter of 45 feet?

A 45-foot diameter circle has an area of 1,590.4 square feet.

What is the length of the diameter of a circle that has an area of 78.5 square feet?

A circle that has an area of 78.5 square feet has a diameter of 10 feet.

What is the area of a circle with a diameter of 8 feet?

The area of a circle with a diameter of 8 feet is: 50.27 square feet.

What is the area of a circle that has a diameter of four feet?

The area of a circle that has a diameter of four feet is: about 12.57 square feet.

What is the area of a circle with a diameter of 6 feet?

A circle with a diameter of 6 feet has an area of 28.27 square feet.

The area of a circle if the diameter is 4.3 feet what is the answer?

The area of a circle, if the diameter is 4.3 feet, is: 14.52 square feet.

How many square feet in a 72 inch diameter circle?

A 72-inch diameter circle has an area of: 28.3 square feet.

How many square feet in a circle with 48 inch diameter?

A 48-inch diameter circle has an area of: 12.57 square feet.

What is the diameter of a circle with an area of 14 square feet?

The diameter is 4.222 feet.

What is the area of a circle with a diameter of 26 feet?

The area of a circle with a diameter of 26 feet is: 530.9 square feet.

Trending Questions

What is round 70.59 to the nearest whole number? Square feet in a ton of sand? What is the roman numeral for 21? Why does CIC not equal 199 in roman numerals? How many ounces of gold are in 1 ton of rock? What are the least common factors for 16 and 24? What fraction is bigger 815 or 1120? When comparing two different lines on a position vs time graph how can you tell which object is moving faster? Can people be perfect? What consists the rectangular coordinate system? Is 270 exactly divisible by 3? What do a triangle rectangle and pentagon have in common? How are adding and subtracting fractions similar? What are the prime factors of 1800? How many cardinal directions has a compass? How many sq inches in a 16 inch radius? If 3 times a number is 63 what is that number? What is the circumference of a 3' diameter circle? Is 2011 prime? What is 10 divided by 527?

Previously Viewed

How man square feet in a 21ft diameter circle?

Unanswered Questions

What is PCR Testing and Who Should Have It Done? How does a Soya Badi Machine work? What are the implications of high out-of-pocket costs for dental treatments on global health equity? Can ChatGPT Prompts help with brainstorming creative ideas? How does negative energy affect mental and physical well-being? How do top marble manufacturers handle the logistics of importing high-quality stone? How do you choose marble and stone tiles for your home? What types of materials are commonly tested for biocompatibility in medical devices?

Resources

Top Categories

Product

Company

Copyright ©2024 Infospace Holdings LLC, A System1 Company. All Rights Reserved. The material on this site can not be reproduced, distributed, transmitted, cached or otherwise used, except with prior written permission of Answers.