Asked by Tk
A chord 30cm long is 20cm from the center of the circle. Calculate the length of the circle which is 24cm from the center
Answers
Answered by
oobleck
Draw a diagram. It should be easy to see that the radius is 25cm.
For this circle, no part of the circle is 24cm from the center.
However, a chord which is 24cm from the center subtends an angle θ such that cos(θ/2) = 24/25
The arc subtended by this angle is thus s = rθ = 25*2arccos(24/25) ≈ 14.19
For this circle, no part of the circle is 24cm from the center.
However, a chord which is 24cm from the center subtends an angle θ such that cos(θ/2) = 24/25
The arc subtended by this angle is thus s = rθ = 25*2arccos(24/25) ≈ 14.19
Answered by
Eze Michael
8cm
There are no AI answers yet. The ability to request AI answers is coming soon!
Submit Your Answer
We prioritize human answers over AI answers.
If you are human, and you can answer this question, please submit your answer.