A theme park has a ride that is located in a sphere. The ride goes around the widest circle of the sphere which has a circumference of
540.08 yd. What is the surface area of the sphere? Use 3.14 for π.

Andy wants to find the distance d across a river. he located points as shown in the figure, then use similar triangles to find that d = 223.5 feet. how can you tell without calculating that he must be wrong? tell what you think he did wrong and correct his error. round your answer to the nearest tenth if necessary. andy must have used the wrong . the distance d is actually feet.