menu
Qamnty
Login
Register
My account
Edit my Profile
Private messages
My favorites
If the area of a circle is 81π, then what is the diameter of the circle?
Ask a Question
Questions
Unanswered
Tags
Ask a Question
If the area of a circle is 81π, then what is the diameter of the circle?
asked
Aug 9, 2022
114k
views
15
votes
If the area of a circle is 81π, then what is the diameter of the circle?
Mathematics
middle-school
Gian
asked
by
Gian
8.5k
points
answer
comment
share this
share
0 Comments
Please
log in
or
register
to add a comment.
Please
log in
or
register
to answer this question.
1
Answer
6
votes
Answer:
18
Explanation:
81π=πr^2
r= 9,-9
9+9=18
RealDeepak
answered
Aug 16, 2022
by
RealDeepak
8.7k
points
ask related question
comment
share this
0 Comments
Please
log in
or
register
to add a comment.
← Prev Question
Next Question →
Related questions
asked
Jun 1, 2024
127k
views
24. A spherical balloon with a surface area of 36π square inches is inflated further until its diameter has increased by 50%. The surface area of the balloon is now: A. 54π square inches. B. 81π square
Beolap
asked
Jun 1, 2024
by
Beolap
9.2k
points
Mathematics
high-school
1
answer
1
vote
127k
views
asked
Mar 8, 2024
137k
views
How much can be placed on a circular serving tray that has a diameter of 18 in? Leave answer in terms of pi. Responses A 36π in2 36π in 2 B 9π in2 9π in 2 C 72π in2 72π in 2 D 18π in2 18π in 2 E 81π in
Hoot
asked
Mar 8, 2024
by
Hoot
7.7k
points
Mathematics
high-school
1
answer
1
vote
137k
views
asked
May 3, 2024
146k
views
Find the area inside one leaf of the rose with polar equation r=3cos(4θ): a) 9π b) 27π c) 81π d) 243π
TrewTzu
asked
May 3, 2024
by
TrewTzu
8.3k
points
Mathematics
high-school
1
answer
2
votes
146k
views
Ask a Question
Welcome to Qamnty — a place to ask, share, and grow together. Join our community and get real answers from real people.
Categories
All categories
Mathematics
(3.7m)
History
(955k)
English
(903k)
Biology
(716k)
Chemistry
(440k)
Physics
(405k)
Social Studies
(564k)
Advanced Placement
(27.5k)
SAT
(19.1k)
Geography
(146k)
Health
(283k)
Arts
(107k)
Business
(468k)
Computers & Tech
(195k)
French
(33.9k)
German
(4.9k)
Spanish
(174k)
Medicine
(125k)
Law
(53.4k)
Engineering
(74.2k)
Other Questions
How do you can you solve this problem 37 + y = 87; y =
What is .725 as a fraction
How do you estimate of 4 5/8 X 1/3
Twitter
WhatsApp
Facebook
Reddit
LinkedIn
Email
Link Copied!
Copy
Search Qamnty