The area of a triangle is with base 4m and height 5m?  Choose the correct choice from the following options:
A) 11 m2
B) 10 m2
C) 18 m2
D) 19 m2
E) 12 m2
1/2 * 4 * 5= 
<gadget id="calculator">1/2 * 4 * 5</gadget>
<output>10</output>
10 m2   Answer: 10 m2
<result>B</result>
The area of a triangle is with base 4m and height 5m?