The diagram shows a circle contained in a square. What is the simplified ratio of the area of the circle to the area of the square?

The measure of one angle of an octagon is two times smaller that of the other seven angles. what is the measure of each angle?

Point m is located at (-4, -6). what is located 4 units from point m? ( its on a coordinate plane by the way. )

In right triangle xyz, the right angle is located at vertex y. the length of line segment xy is 12.4 cm. the length of line segment yz is 15.1 cm. which is the approximate measure of angle yzx? 34.8° 39.4° 50.6° 55.2°