Eyan wants to measure the width of a river. He marks off two right triangles, as shown in the figure. The base of the larger triangle has a length of 57 m, and he base of the smaller triangle has a length of 34 m. The height of the smaller triangle is 17.9 m. How wide is the river? Round your answer to the nearest meter. (The figure is not drawn to scale.) 17.9 m L River 34 m 57 m ? m X