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Use the sets of numbers given.                                    Find

In circle O, arc AC = 55.  What is the measure of the central angle  ?                                                                                    

A dam needs a supporting beam. The dam leans at an 80 angle and is 200 ft tall. If the base of the supporting beam is placed 75 feet from the base of the dam and the beam extends to the top of the dam, how long must the beam be?

Find the area of the sector.                   

A triangular fence has sides that measure 11 yards, 30 yards, and 35 yards. What is the measure of the greatest angle that is formed? Round to the nearest whole degree.

Find the missing length in the right triangle.

Find the measure of the line segment AC.                 

A spherical water balloon has a radius of 3 inches.  How many cubic inches of water will it hold?

Find the missing length indicated.                   

The polygons in each pair are similar.  Find the missing side length.