In the figure above, a square is inscribed in a circle. If the area of the square region is 16, what is the area of the circular region?

In the addition table shown above, what is the valueof m + n ?

The table above shows the distribution of test scores for a group of management trainees. Which score interval contains the median of the 73 scores?

In the rectangular coordinate system above, the area of triangular region PQR is

As shown in the figure above, a thin conveyor belt 15 feet long is drawn tightly around two circular wheels each 1 foot in diameter. What is the distance, in feet, between the centers of the two wheels?

In the figure above, points P and Q lie on the circle with center O. What is the value of s ?

The circle shown has center O and radius 4. What is the area of the shaded region?

If m lies between the integers p and s on the number line shown, which of the following is a possible value for m

In the figure above, the radius of the circle with center O is 1 and BC = 1. What is the area of triangular region ABC ?

In the figure shown, point O is the center of the semicircle and points B, C, and D lie on the semicircle. If the length of line segment AB is equal to the length of line segment OC, what is the degree measure of angle BAO ?

(1) The degree measure of angle COD is 60.
(2) The degree measure of angle BCO is 40.