0
Still curious? Ask our experts.
Chat with our AI personalities
CoachSuccess isn't just about winning—it's about vision, patience, and playing the long game.
Chat with Coach
RossEvery question is just a happy little opportunity.
Chat with Ross
JordanLooking for a career mentor? I've seen my fair share of shake-ups.
Chat with JordanAdd your answer:
Earn +20 ptsQ: What is the area of a circle with the diameter is 21?
Write your answer...
Submit
Still have questions?
Continue Learning about Math & Arithmetic
What is the area of a circle with a diameter of 21?
Area of a circle = pi*radius2 Area = pi*10.52 = 346.3605901 square units
What is the area of a circle that has a diameter of 42 yards?
A circle with a radius of 21 yards has an area of 1,385.44 square yards.
What is the circumference of a circle that has a diameter of 21?
The circumference of a circle that has a diameter of 21 is about 65.97
What is the area of a circle with a diameter of 9.4 m?
The area of a circle with a diameter of 9.4 m is: 69.4 m2
If the area of a circle is 8pi what is the length of its diameter?
If the area of a circle is 8pi, its diameter is: 5.657 units.
Trending Questions
How many pennies would fit in a box 1 foot wide by 1 foot tall by 1 foot long?
What is the number 3 prime or composite?
Give a real example of ratio?
What is the difference between risk and challenge?
Is 3 over 6 equal to 1 over 3?
What is 171 inches in meters?
How do you say 20 minutes after 2 in before time?
Is 15 and 21 relatively prime?
What does the root son mean?
When a polygon reflects across the y-axis how do the coordinates of the points change?
Where can current information and statistics be found?
How many times 5 go into 610?
What is the smallest 5 digit number that can be made from the numbers 0 3 4 6 8 and 9?
Asme code for minimum water column connections size?
Is one fifth the same as 0.2?
Lesson 5-3 The inverse cosin function?
How do you solve the equation ax bxc?
How many minutes are in 12 years?
What does 1 foot and 6 inches equal?
Is anything you divide by 100 the same number?
Copyright ©2025 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.