AHSME 1951 Problem 29

Of the following sets of data the only one that does not determine the shape of a triangle is: $\textbf{(A)}\ \text{the ratio of two sides and the inc{}luded angle}\\ \textbf{(B)}\ \text{the ratios of the three altitudes}\\ \textbf{(C)}\ \text{the ratios of the three medians}\\ \textbf{(D)}\ \text{the ratio of the altitude to the corresponding base}\\ \textbf{(E)}\ \text{two angles}$