Which calculation shows the volume of a triangular prism made from this net?
A) (3 cm x 4 cm ÷ 2) x 3 cm
B) 3 cm x 4 cm x 5 cm
C) (3 cm x 4 cm ÷ 2) x 5 cm
D) 3 cm x 3 cm x 4 cm
