NC Math 3 EOC Review #2

A circle with the diameter of 22 inches has an unknown arc length subtended by a central angle of 3 radians. Find the arc length.

Using the given quadrilateral, is there enough information for this to be proven to be a parallelogram.

• Yes, there is enough information to prove that this quadrilateral is a parallelogram.

• No, there is not enough information to prove that this quadrilateral is a parallelogram.

A circular observation deck needs to have an outer railing built around a portion of the observation deck as shown in the picture. What is the length of the railing needed? Round your answer to the nearest hundredth.

Which equation below must have a restricted domain in order to find its inverse?