A right triangle has legs measuring 6 meters and 3 meters. The lengths of the legs of a second triangle are proportional to the lengths of the legs of the first triangle. Which could be the lengths of the legs of the second triangle? Select EACH correct pair of lengths.
A. 12 meters and 6 meters
B. 9 meters and 6 meters
C. 3 meters and 1.5 meters
D. 4 meters and 1 meter
E. 2 meters and 1 meter
F. 8 meters and 5 meters