Find the radius of a circle in which the central angle, a, intercepts an arc of the given length a = 30°, s = 9in

417,599 views

8 votes

Find the radius of a circle in which the central angle, a, intercepts an arc of the given length

a = 30°, s = 9in

3.2k points

Your comment on this question:

Email me at this address if a comment is added after mine:Email me if a comment is added after mine

Privacy: Your email address will only be used for sending these notifications.

Email me at this address if my answer is selected or commented on:Email me if my answer is selected or commented on

Privacy: Your email address will only be used for sending these notifications.

29 votes

Answer:

17.2 in

Explanation:

The formula for arc length is s = rФ. Here we are to find r. Solving this formula for r, we get:

r = s/Ф

So, in this problem, r = (9 in) / (π/6) = 54/π in ≈ 17.2 in

ZelkiN answered Aug 12, 2022

2.5k points

Email me at this address if a comment is added after mine:Email me if a comment is added after mine

Privacy: Your email address will only be used for sending these notifications.

Welcome to QAmmunity.org, where you can ask questions and receive answers from other members of our community.

1.6m questions

2.0m answers