Una escalera se apoya contra un lado de una casa el ángulo de elevación de la escalera es 71° y el extremo superior de la escalera está a 5 m sobre el suelo. Hallar la distancia del pie de la escalera al lado de la casa. Redondear la respuesta a la decíma más cercana

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.