14 Meara is making a food-guide pyramid for health class. She needs the measurements of this picture to enlarge it for a poster. Remember to use the Pythagorean Theorem. Hint: Create a right triangle by splitting the pyramid up the middle. Which expression represents the length of line segment AB? A

B

C

D​

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.