Can somebody please help me with this question??:,,)

When turned about its axis of rotation, which shape could have created this three-dimensional object?

Two triangles can be formed with the given information. use the law of sines to solve the triangles. b = 49°, a = 16, b = 14

Awater tank holds 18000 gallons. how long will it take for the water level to reach 6000 gallons if the water is used at anaverage rate of 450 gallons per day