In the figure above, X and Y are the centers of two overlapping circles. If the area of each circle is 7, what is the area of rectangle ABCD?

In the figure above, O is the center of the circle. If the area of triangleXOY is 25, what is the area of circle?

In the given figure, E and F are the centers of two identical circles. What is the ratio of area of triangle AOB to the area of triangle DOC ?

In the figure above, what is the area of quadrilateral ABCD?

In rectangle ABCD above, arcs BP and CP are quarter circles with centers at points A and D, respectively. If the area of each quarter circle is pi , what is the area of the shaded region?

In the figure the area of triangle APB is 25 square centimetres. What is the area of triangle ABC ? What is the area of rectangle ABCD?

In the figure above, OABC is a square. If the area of circle O is 2pi , what is the area of the shaded region?

In the figure, ABCD is a rectangle, and the area of Delta ACE is 10. What is the area of the rectangle?

In the figure, the area of rectangle ABCD is 45. what is the area of the square EFGH?