Answer
6 $units^{2}$
Work Step by Step
Count the units between B and D as well as the units from the base, BD, to point J:
A=$\frac{1}{2}$bh
A=$\frac{1}{2}$(4)(3)
A=6
You can help us out by revising, improving and updating this answer.
Update this answerAfter you claim an answer you’ll have 24 hours to send in a draft. An editor will review the submission and either publish your submission or provide feedback.