The diagram shows 3 identical circles inside a rectangle. each circle touches the other two circles and the sides og a rectangle, as shows in the diagram. the radius of each circle is 28mm. work uot the area of the rectangle. give your ansewer correct to 3 significant figures.

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.