Angle A in right triangle ABC is formed by the hypotenuse of length 13 cm and a leg of length 5 cm. Find the exact values of: a. the other leg of the right triangle b. sin A c. cos A d. tan A

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.