Ask your own question, for FREE!
Mathematics 14 Online
OpenStudy (7thgrader):

Which circles have a circumference of units? Choose all answers that are correct. A. a circle with a diameter of 40 units B. a circle with a radius of 10 units C. a circle with a diameter of 20 units D. a circle with a radius of 20 units

OpenStudy (pinklion23):

okay what is the unit?

OpenStudy (pinklion23):

okay so what do you think is right

OpenStudy (7thgrader):

*brainfart*

OpenStudy (pinklion23):

lol

OpenStudy (pinklion23):

okay d*pi=c

OpenStudy (7thgrader):

hmhm

OpenStudy (7thgrader):

do that means diameter x pi = circumfrence correct?

OpenStudy (7thgrader):

*so

OpenStudy (pinklion23):

so 20 is your diameter so 20pi is your C so C. is right

OpenStudy (pinklion23):

yes you are right

OpenStudy (7thgrader):

and a?

OpenStudy (pinklion23):

and a radius is half of your dimater

OpenStudy (7thgrader):

oh

OpenStudy (pinklion23):

no not a

OpenStudy (7thgrader):

b

OpenStudy (7thgrader):

sorry

OpenStudy (pinklion23):

YES! you did it B and C are right

OpenStudy (7thgrader):

i got a 100% thanks i owe you :)

OpenStudy (pinklion23):

okay great im so happy for you i have to leave sorry if you have any more questions just ask green

OpenStudy (7thgrader):

kk

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!
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!