Seven caterpillars were lined up in a row. each caterpillar was 1 2/15 inches in length. how long was the row of caterpillars? manuel solves the problem below. what was his error?

If the altitude is drawn to the hypotenuse of a right triangle, then the two triangles formed are similar to the original triangle and to each other. which set of triangles shows the similar triangles created by the altitude in the diagram?