In the figure above, if AB is a diameter of circle P, what is the perimeter of the shaded region?
Line segment AB is a diameter of circle O. If the coordinates of O are(2, -1)and the coordinates of point A are (-1, -2), what are the coordinates of point B?
The figure below is formed by inscribing a square in a circle. If the circumference of the circle is 16n, what is the area of the shaded regions?
Point C is the center of the circle on the figure above. The shaded region has an area of 3π square centimeters. What is the perimeter of the shaded region in centimeters?
In the figure below, a small circle, with radius x, is inside a larger circle, with radius 6. What is the area, in terms of x, of the shaded region?
Each symbol (triangle, square, diamond and circle) in this table has a value. The total of these values in each row and column is written at the end of the corresponding row or column. Now write down the value of each symbol.
The center of a circle is (2, 1) and the point (-3, 13) is on the circle. What is the area of the circle?
What is the()of the turning circle in mavoeuvring?
What is the circumference of a circle in which a 5 by 12 rectangle is inscribed?
If the ratio of the area of a sector to the area of the circle is 2:3. what is the ratio of the length of the arc in the sector to the circumference of the circle?