1952 AHSME Problem 15

The sides of a triangle are in the ratio 6:8:9. Then:

\textbf{(A) \ }\text{the triangle is obtuse}

\textbf{(B) \ }\text{the angles are in the ratio }6:8:9

\textbf{(C) \ }\text{the triangle is acute}

\textbf{(D) \ }\text{the angle opposite the largest side is double the angle opposite the smallest side}

\textbf{(E) \ }\text{none of these}

Full credit goes to MAA for authoring these problems. These problems were taken on the AOPS website.