The area of a triangle is with base 3m and height 4m?  Choose the correct choice from the following answers
A) 4 m 2  B) 6 m 2  C) 18 m 2  D) 19 m 2  E) 12 m 2

Rationale: "1 / 2 * 3 * 4 = 6 m 2 answer : b"
Answer: B