A student is using the Pythagorean theorem to derive the equation of a circle with a center (-2, 7) and a radius of 9. What is the equation of the circle?

In rhombus ABCD, CA = 6 and BD = 8. What is the length of the sides of the rhombus?

What is the equation of the circle shown on the graph?

A circle has a diameter with endpoints (−2,−3) and (6, -3). What is the equation of the circle?

Which one of the following sets of numbers could represent the three sides of an acute triangle?

The equation of a circle is given. Determine the center of the circle and the length of the diameter.

Jack started writing the equation of circle O as follows. He knows that a point with coordinates (2, 10) lies on circle O. What number should Jack place in the blank to finish writing the equation?

A circle has a diameter with endpoints (5,−6) and (6, -7). What is the center of the circle?

Determine the proportional relationship that would correctly solve for the arc length of the shaded sector x.

If the area of a sector of a circle is 29π m^2 and the measure of its intercepted arc is 76°, what is the length of the radius of the circle?

A section of a circular sign is shown. What is the area of this section of the sign? Round your answer to the nearest tenth.

In circle Z, the m∠ABC = 57°. Find the measure of minor arc AC.

Circle G has a center at (7, 5) and a diameter of 12 units. Which point lies on circle G?