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In the figure above, the circle with center O has a circumference of 50, and \( AB=BC\). What is the length of arc AB?
The figure above shows a rectangular hexagon with sides of length a and a square with sides of length a. If the area of the hexagon is \(384\sqrt3\) square inches, what is the area, in square inches, of the square?
In the xy-plane above, O is the center of the circle, and the measure of ∠AOB is \(\frac{\mathrm\pi}a\) radians. What is the value of a ?
If AD is the diameter of the circle shown above, and the arc length of CD is \(\mathrm\pi\), what is the area of the shaded region? Use 3.14 to approximate \(\mathrm\pi\) and round your answer to the nearest tenth.
The figure above is a regular pentagon with all sides equal. What is the value of x?
In the figure above, P is the center of a circle and AC is its diameter. What is the value of x?