Respuesta :

The given diagram is a traingle with base 12 units, height 4 units, and one side 9 units.

Since base (b) and height (h) are known, we can use the following formula for the area (A) of the triangle,

[tex]A=\frac{1}{2}bh[/tex]

Substitute the values and simplify the expression,

[tex]\begin{gathered} A=\frac{1}{2}\times12\times4 \\ A=6\times4 \\ A=24 \end{gathered}[/tex]

Thus, the area of the given triangle is 24 square units.

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