A community for students.
Here's the question you clicked on:
 0 viewing
anonymous
 one year ago
What is the radius of a circle in which a 30° arc is 2pi inches long?
a) 24 inches
b) 12 inches
c) 2√3 inches
anonymous
 one year ago
What is the radius of a circle in which a 30° arc is 2pi inches long? a) 24 inches b) 12 inches c) 2√3 inches

This Question is Closed

DanJS
 one year ago
Best ResponseYou've already chosen the best response.230/360 is 2pi so the whole circumference is ...

DanJS
 one year ago
Best ResponseYou've already chosen the best response.2\[12\frac{ 30 }{ 360 } = 360/360 = 12*2\pi = Full ~ Circumference \]

DanJS
 one year ago
Best ResponseYou've already chosen the best response.2That is the circumference  24pi , you want the radius C = 2*pi*r 24pi = 2pi*r

DanJS
 one year ago
Best ResponseYou've already chosen the best response.2\[r = \frac{ 24\pi }{ 2\pi }\]

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0Oh so the radius is 69.08?

DanJS
 one year ago
Best ResponseYou've already chosen the best response.2that is not an answer choice... the correct one is there

DanJS
 one year ago
Best ResponseYou've already chosen the best response.2\[r = \frac{ 24\pi }{ 2\pi } = \frac{ 24 }{ 2 } *\frac{ \pi }{ \pi } = \frac{ 24 }{ 2 }*1\]
Ask your own question
Sign UpFind more explanations on OpenStudy
Your question is ready. Sign up for free to start getting answers.
spraguer
(Moderator)
5
→ View Detailed Profile
is replying to Can someone tell me what button the professor is hitting...
23
 Teamwork 19 Teammate
 Problem Solving 19 Hero
 Engagement 19 Mad Hatter
 You have blocked this person.
 ✔ You're a fan Checking fan status...
Thanks for being so helpful in mathematics. If you are getting quality help, make sure you spread the word about OpenStudy.