Ask
your own question, for FREE!
Mathematics
61 Online
OpenStudy (anonymous):
Find the surface area of a sphere that has a diameter of 4 cm. 64π cm2 π cm3 4π cm2 16π cm2
Still Need Help?
Join the QuestionCove community and study together with friends!
OpenStudy (anonymous):
SA = 4Ï€r^2
OpenStudy (anonymous):
but none of my answers are on the choices :(
OpenStudy (anonymous):
diameter is twice the radius. so radius would be 2, then plug that into to the formula posted above
OpenStudy (anonymous):
so 2^2 becomes 4 once again, and 4 times 4 is 16 so your answer is 16 pi cm 2
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
Sk4llsNB0n3s:
I need tips on how to improve my poems and lyrics. Here's one poem to see if I need any pointers: This poem is called Fall: We walked down the beach When it
October4:
u201cYou Left Me With the Skyu201d You tore the sky in half that night, and left me staring at the wound.
gelphielvr:
Does anyone know how electron configuration works? I need a good explanation pls
Taku12:
idk how to feel about my shading on a project I'm doing in art is it good?
75:
How to convince your teacher you didn't use ai but they wont believe you?
xXAikoXx:
What's the difference between ethnicity and race? (I GENUINELY do NOT understand the difference.
Sk4llsNB0n3s:
I need tips on how to improve my poems and lyrics. Here's one poem to see if I need any pointers: This poem is called Fall: We walked down the beach When it
21 hours ago
0 Replies
0 Medals
October4:
u201cYou Left Me With the Skyu201d You tore the sky in half that night, and left me staring at the wound.
4 hours ago
11 Replies
0 Medals
gelphielvr:
Does anyone know how electron configuration works? I need a good explanation pls
17 hours ago
4 Replies
1 Medal
Taku12:
idk how to feel about my shading on a project I'm doing in art is it good?
23 hours ago
16 Replies
1 Medal
75:
How to convince your teacher you didn't use ai but they wont believe you?
1 day ago
4 Replies
2 Medals
xXAikoXx:
What's the difference between ethnicity and race? (I GENUINELY do NOT understand the difference.
1 day ago
3 Replies
1 Medal