Join the QuestionCove community and study together with friends!
Sign Up
OpenStudy (anonymous):
OpenStudy (anonymous):
Am I correct? Just need feedback.
@xapproachesinfinity
OpenStudy (anonymous):
@xapproachesinfinity
OpenStudy (xapproachesinfinity):
So what did you choose?
OpenStudy (anonymous):
I choose, 81:4
Still Need Help?
Join the QuestionCove community and study together with friends!
Sign Up
OpenStudy (xapproachesinfinity):
How did you find it?
OpenStudy (anonymous):
i just took 9 and squared it and 2 and squared it
OpenStudy (anonymous):
is it wrong?
OpenStudy (anonymous):
What did i do wrong?
OpenStudy (xapproachesinfinity):
I don't know yet, I'm just asking on what you based you answer?
Still Need Help?
Join the QuestionCove community and study together with friends!
Sign Up
OpenStudy (anonymous):
oh okay, Ill wait for you to finish the prblem
OpenStudy (anonymous):
sorry my open study is being weird, it keeps freezing and saying that I am not online..
OpenStudy (xapproachesinfinity):
oops i was switching the place lol
OpenStudy (xapproachesinfinity):
No worries!
OpenStudy (anonymous):
okay, haha thanks
Still Need Help?
Join the QuestionCove community and study together with friends!
Sign Up
OpenStudy (xapproachesinfinity):
let's use the surface area of a cone formula
A=pi r(r+root(r^2+h^2) there are two things that will affect the cone size
it's radius and it's height. So that will be proportional between small cone and large cone
OpenStudy (anonymous):
so ..... I don't know the height
OpenStudy (xapproachesinfinity):
radius of the small cone is 2 and the large cone is 9
So radius of the large 4.5 big than radius of
so if r is the radius of the small one then radius of the large is 4.5r
same for the height let h be the height of the small cone then the height for the large is 4.5h
OpenStudy (xapproachesinfinity):
Now we need to write both surface area of small and large
OpenStudy (xapproachesinfinity):
Don't worry about the height
Still Need Help?
Join the QuestionCove community and study together with friends!