A3 mm5 mmA. 12 mm²B. 18 mm²C. 24 mm²D. 30 mm²4 mmThe area of AABD isD12.4 mm8 mmB

The area of a triangle is given by:
[tex]A=\frac{1}{2}bh[/tex]In this case the base is 8 mm and the height is 3 mm, then we have:
[tex]\begin{gathered} A=\frac{1}{2}(8)(3) \\ A=12 \end{gathered}[/tex]Therefore, the area is 12 mm²