A square with a side length of 4 inches is inscribed in a circle, as shown below. What is the area of the unshaded region inside of the circle, in square inches?

The figure above is a circle with center at and a radius of . This figure is not drawn to scale.

What is the length of the arc in the figure above?

Find the distance between the hour and minute hand of a clock at 2:00 with a hand length of .

How many degrees are in each hour-long section of an analog clock with 8 equally spaced numbers on the face?

A square with a side length of 4 inches is inscribed in a circle, as shown below. What is the area of the unshaded region inside of the circle, in square inches?

Find the area of a circle given a radius of 1.

Find the circumference of a circle with radius 6.

A circle has an area of . Using this information find the circumference of the circle.

How many degrees are in each hour-long section of an analog clock with 8 equally spaced numbers on the face?