Exam 27: Angular Measurement

How many inches are represented by 7 degrees on the rim of a 9-inch diameter flywheel? Round to the nearest hundredth.

In making a gasket, a mechanic lays off 18 equally spaced holes on the circumference. Find the number of degrees between the centers of the holes.

A regular decagon has ten equal sides and ten equal angles. When a regular decagon is drawn inside (inscribed in) a circle, the radii form equal angles at the center. Find the number of degrees in each angle at the center.

1 circle = ____________________ degrees.

Eleven holes drilled around a circle are equally spaced. How many degrees, minutes, and seconds are between the centers of the holes? Express the answer to the nearest second.

What part of a circle is a 90 degree angle?

What percent of the entire cycle of strokes in an engine is the power stroke to the nearest tenth? Use a 141-degree power stroke. (Remember, it takes two revolutions to complete the entire cycle.)

How many degrees are in an eighth of a circle?

Degrees, minutes, and ____________________ are used for angular measurements in both the English and metric systems.

1 degree = ____________________ minutes.