Figures in the Coordinate Plane (Sec 9-1) — Unit test Answers

In circle O, and are diameters. The measure of arc AB is 55° and the measure of arc CD is 25°.

In circle P, diameter QS measures 20 centimeters.

Circle A is shown. Tangents L M and N M intersect at point M outside of the circle. Arc L N is 270 degrees.

Circle L is shown. Line segments K L and M L are radii. The length of K L is 12. Angle M L K is 60 degrees. Sector M L K with a 60 degree angle is shaded.

In circle D, ∠EDH ≅ ∠EDG.