Solve the problem.
-A pendulum swinging through a central angle of 67° completes an arc of length 7.2 cm. What is the length of the pendulum? Round to the nearest hundredth.
A)6.16 cm
B)5.96 cm
C)6.26 cm
D)6.06 cm

Question

Quizplus · Accepted Answer

The length of the pendulum is given by the formula L = (r^2)/2 * (theta/360), where r is the length of the arc and theta is the central angle in degrees. Substituting the given values, we get L = (7.2^2)/2 * (67/360) = 6.16 cm (rounded to the nearest hundredth).

Solve the Problem. -A Pendulum Swinging Through a Central Angle of 67° Completes