Respuesta :

Answer:

Area of ABD = 9/2 or 4.5cm^2

Step-by-step explanation:

Area of triangle =

[tex] \frac{bh}{2} [/tex]

plug-in ABD

[tex] \frac{3 \times 3}{2} [/tex]

[tex] \frac{9}{2} [/tex]

Area of ABD = 9/2 or 4.5cm^2

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