Çözüldü Arclength in Circle

If the pendulum on a clock swings through an angle of 25° and the tip sweeps out an arc of 12 inches, then how long is the pendulum in inches?

A) 1.67
B) 13.8
C) 27.5
D) 43.2
E) 86.4

https://images.collegedunia.com/pub...-Written-SAT Math Level 2 Practice Test 5.pdf
(The last question with no answer or solution)

The length of the pendulum: p
12 = 2π·p·(25° / 360°) ⇒ p = 432 / (5π) ≈ 27.5 inches.