Ask
your own question, for FREE!
Mathematics
5 Online
Evaluate the formula. A=4pir^2 if pi=3.14 and r =18 in. The value of A is?
Still Need Help?
Join the QuestionCove community and study together with friends!
4*3.14*18*2? like that
@Jamie1019
Yes, we multiply 4 * 3.14 * 18^2
Actually that's 18^2 @Legends which is the same thing as 18 * 18
got it ok
Still Need Help?
Join the QuestionCove community and study together with friends!
So we have: \(4 \times 3.14 \times 18 \times 18\) Plug that in your calculator @Jamie1019
4069.44
Yes, that is our answer.
\(\bbox [10pt, lime, border:5pt solid black]{\Huge\cal\color{red}\diamondsuit\color{blue}{Welcome\ to\ \color{#00A1FF}{Open}\color{#329932}{Study!\color{red}\diamondsuit}}}\) You can give medals by clicking 'Best Response'.
Can't find your answer?
Make a FREE account and ask your own questions, OR help others and earn volunteer hours!
Join our real-time social learning platform and learn together with your friends!
Join our real-time social learning platform and learn together with your friends!
Latest Questions
natalieee:
who else wants a job in biology? I love biomedical science and want to work with
avisshomes:
What should I look for before choosing a co-living space in Gurgaon?
Twaylor:
Time flies doesn't it? I tried to not be the second squeaky wheel of the household and ended up hurting myself and others severely.
clllaaaaaire:
any tips? the quality isn't the best because I am using this site on my computer
Midnight97:
Kinda a roleplay story between me and my friend enjoy... Part one Forgive me for all the screenshots.
StevenisGhost:
what type of song should I make next, and will y'all go check out my new song on
Midnight97:
My drawing sure changed over the years look at these two pictures from 2024 to no
EdwinJsHispanic:
"poem" love is So Beautiful to have. But it's so hard to have. At this point I don't know whether its worth the wait Or if it's just millions of miles to re
EdwinJsHispanic:
"poem" love is So Beautiful to have. But it's so hard to have. At this point I don't know whether its worth the wait Or if it's just millions of miles to re
9 hours ago
0 Replies
0 Medals
2 days ago
6 Replies
0 Medals
4 days ago
12 Replies
2 Medals
2 weeks ago
2 Replies
0 Medals
3 weeks ago
2 Replies
1 Medal
2 weeks ago
6 Replies
2 Medals
3 weeks ago
6 Replies
1 Medal
3 weeks ago
3 Replies
0 Medals
4 weeks ago
0 Replies
0 Medals